101021120122 has 64 divisors (see below), whose sum is σ = 172216751616. Its totient is φ = 44092984320.

The previous prime is 101021120113. The next prime is 101021120173. The reversal of 101021120122 is 221021120101.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 58698222 + ... + 58699942.

It is an arithmetic number, because the mean of its divisors is an integer number (2690886744).

Almost surely, 2^101021120122 is an apocalyptic number.

101021120122 is a deficient number, since it is larger than the sum of its proper divisors (71195631494).

101021120122 is a wasteful number, since it uses less digits than its factorization.

101021120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101021120122 its reverse (221021120101), we get a palindrome (322042240223).

The spelling of 101021120122 in words is "one hundred one billion, twenty-one million, one hundred twenty thousand, one hundred twenty-two".