22201212120112 has 20 divisors (see below), whose sum is σ = 43029978661800. Its totient is φ = 11096701497728.

The previous prime is 22201212120079. The next prime is 22201212120127. The reversal of 22201212120112 is 21102121210222.

It is a self number, because there is not a number n which added to its sum of digits gives 22201212120112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243988237 + ... + 244079212.

It is an arithmetic number, because the mean of its divisors is an integer number (2151498933090).

Almost surely, 2^{22201212120112} is an apocalyptic number.

It is an amenable number.

22201212120112 is a deficient number, since it is larger than the sum of its proper divisors (20828766541688).

22201212120112 is a wasteful number, since it uses less digits than its factorization.

22201212120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488070300 (or 488070294 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22201212120112 its reverse (21102121210222), we get a palindrome (43303333330334).

The spelling of 22201212120112 in words is "twenty-two trillion, two hundred one billion, two hundred twelve million, one hundred twenty thousand, one hundred twelve".