101201220122 has 16 divisors (see below), whose sum is σ = 155517231744. Its totient is φ = 49362348000.

The previous prime is 101201220101. The next prime is 101201220139. The reversal of 101201220122 is 221022102101.

It is a junction number, because it is equal to n+sod(n) for n = 101201220097 and 101201220106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098047 + ... + 1186637.

It is an arithmetic number, because the mean of its divisors is an integer number (9719826984).

Almost surely, 2^101201220122 is an apocalyptic number.

101201220122 is a deficient number, since it is larger than the sum of its proper divisors (54316011622).

101201220122 is a wasteful number, since it uses less digits than its factorization.

101201220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102565.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101201220122 its reverse (221022102101), we get a palindrome (322223322223).

The spelling of 101201220122 in words is "one hundred one billion, two hundred one million, two hundred twenty thousand, one hundred twenty-two".