160121120220 has 192 divisors, whose sum is σ = 524885760000. Its totient is φ = 40412120832.

The previous prime is 160121120207. The next prime is 160121120221. The reversal of 160121120220 is 22021121061.

160121120220 is a `hidden beast` number, since 1 + 601 + 21 + 1 + 20 + 2 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 160121120193 and 160121120202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160121120221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11309706 + ... + 11323854.

It is an arithmetic number, because the mean of its divisors is an integer number (2733780000).

Almost surely, 2^160121120220 is an apocalyptic number.

160121120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 160121120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262442880000).

160121120220 is an abundant number, since it is smaller than the sum of its proper divisors (364764639780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

160121120220 is a wasteful number, since it uses less digits than its factorization.

160121120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15289 (or 15281 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 160121120220 its reverse (22021121061), we get a palindrome (182142241281).

The spelling of 160121120220 in words is "one hundred sixty billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twenty".