22120211201000 has 128 divisors (see below), whose sum is σ = 56485544693760. Its totient is φ = 8041052448000.

The previous prime is 22120211200979. The next prime is 22120211201071. The reversal of 22120211201000 is 10211202122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33075929 + ... + 33738071.

It is an arithmetic number, because the mean of its divisors is an integer number (441293317920).

Almost surely, 2^{22120211201000} is an apocalyptic number.

22120211201000 is a gapful number since it is divisible by the number (20) 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 22120211201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28242772346880).

22120211201000 is an abundant number, since it is smaller than the sum of its proper divisors (34365333492760).

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

22120211201000 is a wasteful number, since it uses less digits than its factorization.

22120211201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665212 (or 665198 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22120211201000 its reverse (10211202122), we get a palindrome (22130422403122).

The spelling of 22120211201000 in words is "twenty-two trillion, one hundred twenty billion, two hundred eleven million, two hundred one thousand".