101111012202020 has 48 divisors (see below), whose sum is σ = 214434605121408. Its totient is φ = 40044535975680.

The previous prime is 101111012201977. The next prime is 101111012202049. The reversal of 101111012202020 is 20202210111101.

It is a junction number, because it is equal to n+sod(n) for n = 101111012201986 and 101111012202004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8983937 + ... + 16820616.

It is an arithmetic number, because the mean of its divisors is an integer number (4467387606696).

Almost surely, 2^{101111012202020} is an apocalyptic number.

101111012202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111012202020 is an abundant number, since it is smaller than the sum of its proper divisors (113323592919388).

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

101111012202020 is a wasteful number, since it uses less digits than its factorization.

101111012202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25806500 (or 25806498 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101111012202020 its reverse (20202210111101), we get a palindrome (121313222313121).

The spelling of 101111012202020 in words is "one hundred one trillion, one hundred eleven billion, twelve million, two hundred two thousand, twenty".