101111010101100 has 108 divisors (see below), whose sum is σ = 316965361809096. Its totient is φ = 26959659068160.

The previous prime is 101111010101093. The next prime is 101111010101111. The reversal of 101111010101100 is 1101010111101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 586819 + ... + 14232581.

Almost surely, 2^{101111010101100} is an apocalyptic number.

101111010101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111010101100 is an abundant number, since it is smaller than the sum of its proper divisors (215854351707996).

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

101111010101100 is a wasteful number, since it uses less digits than its factorization.

101111010101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13654016 (or 13654006 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 101111010101100 its reverse (1101010111101), we get a palindrome (102212020212201).

The spelling of 101111010101100 in words is "one hundred one trillion, one hundred eleven billion, ten million, one hundred one thousand, one hundred".