101201211010020 has 96 divisors (see below), whose sum is σ = 319783137045120. Its totient is φ = 23687639772160.

The previous prime is 101201211009989. The next prime is 101201211010033. The reversal of 101201211010020 is 20010112102101.

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 = 101201211009978 and 101201211010005.

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, 2643690657 + ... + 2643728936.

It is an arithmetic number, because the mean of its divisors is an integer number (3331074344220).

Almost surely, 2^{101201211010020} is an apocalyptic number.

101201211010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201211010020 is an abundant number, since it is smaller than the sum of its proper divisors (218581926035100).

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

101201211010020 is a wasteful number, since it uses less digits than its factorization.

101201211010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287419645 (or 5287419643 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101201211010020 its reverse (20010112102101), we get a palindrome (121211323112121).

The spelling of 101201211010020 in words is "one hundred one trillion, two hundred one billion, two hundred eleven million, ten thousand, twenty".