101201212112120 has 64 divisors (see below), whose sum is σ = 228106431957600. Its totient is φ = 40408729804800.

The previous prime is 101201212112071. The next prime is 101201212112129. The reversal of 101201212112120 is 21211212102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201212112129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225198611 + ... + 225647549.

Almost surely, 2^{101201212112120} is an apocalyptic number.

101201212112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201212112120 is an abundant number, since it is smaller than the sum of its proper divisors (126905219845480).

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

101201212112120 is a wasteful number, since it uses less digits than its factorization.

101201212112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458928 (or 458924 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101201212112120 its reverse (21211212102101), we get a palindrome (122412424214221).

The spelling of 101201212112120 in words is "one hundred one trillion, two hundred one billion, two hundred twelve million, one hundred twelve thousand, one hundred twenty".