10011100111988 has 12 divisors (see below), whose sum is σ = 17766177664032. Its totient is φ = 4935049350840.

The previous prime is 10011100111973. The next prime is 10011100111993. The reversal of 10011100111988 is 88911100111001.

It is a super-2 number, since 2×10011100111988² (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, 17625175970 + ... + 17625176537.

It is an arithmetic number, because the mean of its divisors is an integer number (1480514805336).

Almost surely, 2^{10011100111988} is an apocalyptic number.

It is an amenable number.

10011100111988 is a deficient number, since it is larger than the sum of its proper divisors (7755077552044).

10011100111988 is a wasteful number, since it uses less digits than its factorization.

10011100111988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35250352582 (or 35250352580 counting only the distinct ones).

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

Adding to 10011100111988 its reverse (88911100111001), we get a palindrome (98922200222989).

The spelling of 10011100111988 in words is "ten trillion, eleven billion, one hundred million, one hundred eleven thousand, nine hundred eighty-eight".