22101001202012 has 48 divisors (see below), whose sum is σ = 41360283986112. Its totient is φ = 10296796139520.

The previous prime is 22101001201999. The next prime is 22101001202017. The reversal of 22101001202012 is 21020210010122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101001202017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26434712 + ... + 27257952.

It is an arithmetic number, because the mean of its divisors is an integer number (861672583044).

Almost surely, 2^{22101001202012} is an apocalyptic number.

It is an amenable number.

22101001202012 is a deficient number, since it is larger than the sum of its proper divisors (19259282784100).

22101001202012 is a wasteful number, since it uses less digits than its factorization.

22101001202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827198 (or 827196 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22101001202012 its reverse (21020210010122), we get a palindrome (43121211212134).

The spelling of 22101001202012 in words is "twenty-two trillion, one hundred one billion, one million, two hundred two thousand, twelve".