101220001020122 has 32 divisors (see below), whose sum is σ = 162930642707664. Its totient is φ = 46993494016000.

The previous prime is 101220001020101. The next prime is 101220001020163. The reversal of 101220001020122 is 221020100022101.

It can be written as a sum of positive squares in 8 ways, for example, as 66426884772361 + 34793116247761 = 8150269^2 + 5898569^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101220001020097 and 101220001020106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51483143 + ... + 53413050.

Almost surely, 2^{101220001020122} is an apocalyptic number.

101220001020122 is a deficient number, since it is larger than the sum of its proper divisors (61710641687542).

101220001020122 is a wasteful number, since it uses less digits than its factorization.

101220001020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104896594.

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

Adding to 101220001020122 its reverse (221020100022101), we get a palindrome (322240101042223).

The spelling of 101220001020122 in words is "one hundred one trillion, two hundred twenty billion, one million, twenty thousand, one hundred twenty-two".