101201202120 has 64 divisors (see below), whose sum is σ = 303780637440. Its totient is φ = 26971251200.

The previous prime is 101201202097. The next prime is 101201202133. The reversal of 101201202120 is 21202102101.

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 = 101201202096 and 101201202105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38496 + ... + 451535.

It is an arithmetic number, because the mean of its divisors is an integer number (4746572460).

Almost surely, 2^101201202120 is an apocalyptic number.

101201202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201202120 is an abundant number, since it is smaller than the sum of its proper divisors (202579435320).

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

101201202120 is a wasteful number, since it uses less digits than its factorization.

101201202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491766 (or 491762 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101201202120 its reverse (21202102101), we get a palindrome (122403304221).

The spelling of 101201202120 in words is "one hundred one billion, two hundred one million, two hundred two thousand, one hundred twenty".