101110111020 has 36 divisors (see below), whose sum is σ = 306700670640. Its totient is φ = 26962696224.

The previous prime is 101110110961. The next prime is 101110111049. The reversal of 101110111020 is 20111011101.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 101110110993 and 101110111011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280861240 + ... + 280861599.

Almost surely, 2^101110111020 is an apocalyptic number.

101110111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101110111020 is an abundant number, since it is smaller than the sum of its proper divisors (205590559620).

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

101110111020 is a wasteful number, since it uses less digits than its factorization.

101110111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561722854 (or 561722849 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 101110111020 its reverse (20111011101), we get a palindrome (121221122121).

It can be divided in two parts, 1011101 and 11020, that added together give a square (1022121 = 1011²).

The spelling of 101110111020 in words is "one hundred one billion, one hundred ten million, one hundred eleven thousand, twenty".