22002121111012 has 24 divisors (see below), whose sum is σ = 44007196955904. Its totient is φ = 9428847318912.

The previous prime is 22002121111001. The next prime is 22002121111039. The reversal of 22002121111012 is 21011112120022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25956988 + ... + 26791219.

It is an arithmetic number, because the mean of its divisors is an integer number (1833633206496).

Almost surely, 2^{22002121111012} is an apocalyptic number.

It is an amenable number.

22002121111012 is an abundant number, since it is smaller than the sum of its proper divisors (22005075844892).

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

22002121111012 is a wasteful number, since it uses less digits than its factorization.

22002121111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52763115 (or 52763113 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22002121111012 its reverse (21011112120022), we get a palindrome (43013233231034).

The spelling of 22002121111012 in words is "twenty-two trillion, two billion, one hundred twenty-one million, one hundred eleven thousand, twelve".