101201012122 has 12 divisors (see below), whose sum is σ = 176585439690. Its totient is φ = 43371862296.

The previous prime is 101201012113. The next prime is 101201012137. The reversal of 101201012122 is 221210102101.

It can be written as a sum of positive squares in only one way, i.e., 96540082681 + 4660929441 = 310709^2 + 68271^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 516331597 + ... + 516331792.

Almost surely, 2^101201012122 is an apocalyptic number.

101201012122 is a deficient number, since it is larger than the sum of its proper divisors (75384427568).

101201012122 is a wasteful number, since it uses less digits than its factorization.

101201012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032663405 (or 1032663398 counting only the distinct ones).

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

Adding to 101201012122 its reverse (221210102101), we get a palindrome (322411114223).

The spelling of 101201012122 in words is "one hundred one billion, two hundred one million, twelve thousand, one hundred twenty-two".