101210101220120 has 128 divisors (see below), whose sum is σ = 229981925384640. Its totient is φ = 40083901777920.

The previous prime is 101210101220101. The next prime is 101210101220143. The reversal of 101210101220120 is 21022101012101.

It is a junction number, because it is equal to n+sod(n) for n = 101210101220095 and 101210101220104.

It is a congruent number.

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, 4971748982 + ... + 4971769338.

Almost surely, 2^{101210101220120} is an apocalyptic number.

101210101220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101210101220120 is an abundant number, since it is smaller than the sum of its proper divisors (128771824164520).

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

101210101220120 is a wasteful number, since it uses less digits than its factorization.

101210101220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22605 (or 22601 counting only the distinct ones).

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

Adding to 101210101220120 its reverse (21022101012101), we get a palindrome (122232202232221).

The spelling of 101210101220120 in words is "one hundred one trillion, two hundred ten billion, one hundred one million, two hundred twenty thousand, one hundred twenty".