22011111010987 has 32 divisors (see below), whose sum is σ = 25835386304000. Its totient is φ = 18744523308000.

The previous prime is 22011111010957. The next prime is 22011111011003. The reversal of 22011111010987 is 78901011111022.

It is a happy number.

It is not a de Polignac number, because 22011111010987 - 2²⁷ = 22010976793259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011111010907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65080564 + ... + 65417902.

It is an arithmetic number, because the mean of its divisors is an integer number (807355822000).

Almost surely, 2^{22011111010987} is an apocalyptic number.

22011111010987 is a deficient number, since it is larger than the sum of its proper divisors (3824275293013).

22011111010987 is a wasteful number, since it uses less digits than its factorization.

22011111010987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338592 (or 338578 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 34.

The spelling of 22011111010987 in words is "twenty-two trillion, eleven billion, one hundred eleven million, ten thousand, nine hundred eighty-seven".