111210101011020 has 96 divisors (see below), whose sum is σ = 343059638535936. Its totient is φ = 26693093536000.

The previous prime is 111210101010977. The next prime is 111210101011081. The reversal of 111210101011020 is 20110101012111.

111210101011020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×111210101011020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111210101010987 and 111210101011005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834092514 + ... + 834225833.

It is an arithmetic number, because the mean of its divisors is an integer number (3573537901416).

Almost surely, 2^{111210101011020} is an apocalyptic number.

111210101011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111210101011020 is an abundant number, since it is smaller than the sum of its proper divisors (231849537524916).

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

111210101011020 is a wasteful number, since it uses less digits than its factorization.

111210101011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668318471 (or 1668318469 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111210101011020 its reverse (20110101012111), we get a palindrome (131320202023131).

The spelling of 111210101011020 in words is "one hundred eleven trillion, two hundred ten billion, one hundred one million, eleven thousand, twenty".