101111001100 has 18 divisors (see below), whose sum is σ = 219410872604. Its totient is φ = 40444400400.

The previous prime is 101111001053. The next prime is 101111001149. The reversal of 101111001100 is 1100111101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505554906 + ... + 505555105.

Almost surely, 2^101111001100 is an apocalyptic number.

101111001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111001100 is an abundant number, since it is smaller than the sum of its proper divisors (118299871504).

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

101111001100 is a wasteful number, since it uses less digits than its factorization.

101111001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011110025 (or 1011110018 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 101111001100 its reverse (1100111101), we get a palindrome (102211112201).

It can be divided in two parts, 101111001 and 100, that added together give a palindrome (101111101).

The spelling of 101111001100 in words is "one hundred one billion, one hundred eleven million, one thousand, one hundred".