101001010012120 has 128 divisors (see below), whose sum is σ = 231082918416000. Its totient is φ = 39725655552000.

The previous prime is 101001010012109. The next prime is 101001010012153. The reversal of 101001010012120 is 21210010100101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101001010012097 and 101001010012106.

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, 434826252 + ... + 435058468.

It is an arithmetic number, because the mean of its divisors is an integer number (1805335300125).

Almost surely, 2^{101001010012120} is an apocalyptic number.

101001010012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101001010012120 is an abundant number, since it is smaller than the sum of its proper divisors (130081908403880).

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

101001010012120 is a wasteful number, since it uses less digits than its factorization.

101001010012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233069 (or 233065 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101001010012120 its reverse (21210010100101), we get a palindrome (122211020112221).

The spelling of 101001010012120 in words is "one hundred one trillion, one billion, ten million, twelve thousand, one hundred twenty".