101012120111210 has 128 divisors (see below), whose sum is σ = 228746315685888. Its totient is φ = 31458685262400.

The previous prime is 101012120111107. The next prime is 101012120111237. The reversal of 101012120111210 is 12111021210101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114251909 + ... + 115132631.

It is an arithmetic number, because the mean of its divisors is an integer number (1787080591296).

Almost surely, 2^{101012120111210} is an apocalyptic number.

101012120111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101012120111210 is an abundant number, since it is smaller than the sum of its proper divisors (127734195574678).

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

101012120111210 is a wasteful number, since it uses less digits than its factorization.

101012120111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882001 (or 881979 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101012120111210 its reverse (12111021210101), we get a palindrome (113123141321311).

The spelling of 101012120111210 in words is "one hundred one trillion, twelve billion, one hundred twenty million, one hundred eleven thousand, two hundred ten".