101112012020 has 48 divisors (see below), whose sum is σ = 218932072128. Its totient is φ = 39202625280.

The previous prime is 101112012013. The next prime is 101112012031. The reversal of 101112012020 is 20210211101.

It is a junction number, because it is equal to n+sod(n) for n = 101112011992 and 101112012010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336089 + ... + 561408.

It is an arithmetic number, because the mean of its divisors is an integer number (4561084836).

Almost surely, 2^101112012020 is an apocalyptic number.

101112012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101112012020 is an abundant number, since it is smaller than the sum of its proper divisors (117820060108).

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

101112012020 is a wasteful number, since it uses less digits than its factorization.

101112012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897680 (or 897678 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101112012020 its reverse (20210211101), we get a palindrome (121322223121).

The spelling of 101112012020 in words is "one hundred one billion, one hundred twelve million, twelve thousand, twenty".