20112014123221 has 8 divisors (see below), whose sum is σ = 20442736056600. Its totient is φ = 19781324989440.

The previous prime is 20112014123213. The next prime is 20112014123269. The reversal of 20112014123221 is 12232141021102.

It can be written as a sum of positive squares in 4 ways, for example, as 383439600625 + 19728574522596 = 619225^2 + 4441686^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20112014123221 - 2³ = 20112014123213 is a prime.

It is a super-2 number, since 2×20112014123221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20112014123192 and 20112014123201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112014163221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6961936 + ... + 9417673.

It is an arithmetic number, because the mean of its divisors is an integer number (2555342007075).

Almost surely, 2^{20112014123221} is an apocalyptic number.

It is an amenable number.

20112014123221 is a deficient number, since it is larger than the sum of its proper divisors (330721933379).

20112014123221 is a wasteful number, since it uses less digits than its factorization.

20112014123221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16399799.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 20112014123221 its reverse (12232141021102), we get a palindrome (32344155144323).

The spelling of 20112014123221 in words is "twenty trillion, one hundred twelve billion, fourteen million, one hundred twenty-three thousand, two hundred twenty-one".