11111010100988 has 12 divisors (see below), whose sum is σ = 22222020202032. Its totient is φ = 4761861471840.

The previous prime is 11111010100969. The next prime is 11111010101011. The reversal of 11111010100988 is 88900101011111.

11111010100988 is an admirable number.

It is a super-2 number, since 2×11111010100988² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 198410894633 + ... + 198410894688.

It is an arithmetic number, because the mean of its divisors is an integer number (1851835016836).

Almost surely, 2^{11111010100988} is an apocalyptic number.

It is an amenable number.

11111010100988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11111010100988 is a wasteful number, since it uses less digits than its factorization.

11111010100988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396821789332 (or 396821789330 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 32.

The spelling of 11111010100988 in words is "eleven trillion, one hundred eleven billion, ten million, one hundred thousand, nine hundred eighty-eight".