101220122020122 has 24 divisors (see below), whose sum is σ = 250640302145376. Its totient is φ = 28920034862856.

The previous prime is 101220122020099. The next prime is 101220122020159. The reversal of 101220122020122 is 221020221022101.

It is a happy number.

101220122020122 is a `hidden beast` number, since 1 + 0 + 1 + 220 + 1 + 220 + 201 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101220122020095 and 101220122020104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401667150748 + ... + 401667150999.

It is an arithmetic number, because the mean of its divisors is an integer number (10443345922724).

Almost surely, 2^{101220122020122} is an apocalyptic number.

101220122020122 is an abundant number, since it is smaller than the sum of its proper divisors (149420180125254).

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

101220122020122 is a wasteful number, since it uses less digits than its factorization.

101220122020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803334301762 (or 803334301759 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101220122020122 its reverse (221020221022101), we get a palindrome (322240343042223).

The spelling of 101220122020122 in words is "one hundred one trillion, two hundred twenty billion, one hundred twenty-two million, twenty thousand, one hundred twenty-two".