101100212120 has 16 divisors (see below), whose sum is σ = 227475477360. Its totient is φ = 40440084832.

The previous prime is 101100212093. The next prime is 101100212173. The reversal of 101100212120 is 21212001101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263752612 + ... + 1263752691.

It is an arithmetic number, because the mean of its divisors is an integer number (14217217335).

Almost surely, 2^101100212120 is an apocalyptic number.

101100212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101100212120 is an abundant number, since it is smaller than the sum of its proper divisors (126375265240).

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

101100212120 is a wasteful number, since it uses less digits than its factorization.

101100212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527505314 (or 2527505310 counting only the distinct ones).

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

Adding to 101100212120 its reverse (21212001101), we get a palindrome (122312213221).

The spelling of 101100212120 in words is "one hundred one billion, one hundred million, two hundred twelve thousand, one hundred twenty".