22002021111012 has 24 divisors (see below), whose sum is σ = 51338173012896. Its totient is φ = 7333989357888.

The previous prime is 22002021111011. The next prime is 22002021111013. The reversal of 22002021111012 is 21011112020022.

It is an interprime number because it is at equal distance from previous prime (22002021111011) and next prime (22002021111013).

It is a junction number, because it is equal to n+sod(n) for n = 22002021110982 and 22002021111000.

It is not an unprimeable number, because it can be changed into a prime (22002021111011) 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, 3583023 + ... + 7539369.

It is an arithmetic number, because the mean of its divisors is an integer number (2139090542204).

Almost surely, 2^{22002021111012} is an apocalyptic number.

It is an amenable number.

22002021111012 is an abundant number, since it is smaller than the sum of its proper divisors (29336151901884).

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

22002021111012 is a wasteful number, since it uses less digits than its factorization.

22002021111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419787 (or 4419785 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22002021111012 its reverse (21011112020022), we get a palindrome (43013133131034).

The spelling of 22002021111012 in words is "twenty-two trillion, two billion, twenty-one million, one hundred eleven thousand, twelve".