122200021121 has 8 divisors (see below), whose sum is σ = 128722024320. Its totient is φ = 115687060272.

The previous prime is 122200021081. The next prime is 122200021127. The reversal of 122200021121 is 121120002221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122200021121 - 2⁶ = 122200021057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122200021096 and 122200021105.

It is not an unprimeable number, because it can be changed into a prime (122200021127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2232830 + ... + 2286903.

It is an arithmetic number, because the mean of its divisors is an integer number (16090253040).

Almost surely, 2^122200021121 is an apocalyptic number.

It is an amenable number.

122200021121 is a deficient number, since it is larger than the sum of its proper divisors (6522003199).

122200021121 is a wasteful number, since it uses less digits than its factorization.

122200021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521175.

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

Adding to 122200021121 its reverse (121120002221), we get a palindrome (243320023342).

The spelling of 122200021121 in words is "one hundred twenty-two billion, two hundred million, twenty-one thousand, one hundred twenty-one".