22111121201012 has 24 divisors (see below), whose sum is σ = 38712347452800. Its totient is φ = 11050451272160.

The previous prime is 22111121200997. The next prime is 22111121201017. The reversal of 22111121201012 is 21010212111122.

22111121201012 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111121201017) 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, 123521318 + ... + 123700194.

It is an arithmetic number, because the mean of its divisors is an integer number (1613014477200).

Almost surely, 2^{22111121201012} is an apocalyptic number.

It is an amenable number.

22111121201012 is a deficient number, since it is larger than the sum of its proper divisors (16601226251788).

22111121201012 is a wasteful number, since it uses less digits than its factorization.

22111121201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192991 (or 192989 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111121201012 its reverse (21010212111122), we get a palindrome (43121333312134).

The spelling of 22111121201012 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty-one million, two hundred one thousand, twelve".