22011202101012 has 72 divisors (see below), whose sum is σ = 53539318784448. Its totient is φ = 7037552067840.

The previous prime is 22011202101001. The next prime is 22011202101013. The reversal of 22011202101012 is 21010120211022.

It is a junction number, because it is equal to n+sod(n) for n = 22011202100982 and 22011202101000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011202101013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7142488 + ... + 9748719.

It is an arithmetic number, because the mean of its divisors is an integer number (743601649784).

Almost surely, 2^{22011202101012} is an apocalyptic number.

It is an amenable number.

22011202101012 is an abundant number, since it is smaller than the sum of its proper divisors (31528116683436).

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

22011202101012 is a wasteful number, since it uses less digits than its factorization.

22011202101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16891389 (or 16891356 counting only the distinct ones).

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

Adding to 22011202101012 its reverse (21010120211022), we get a palindrome (43021322312034).

The spelling of 22011202101012 in words is "twenty-two trillion, eleven billion, two hundred two million, one hundred one thousand, twelve".