122202112021 has 4 divisors (see below), whose sum is σ = 133311394944. Its totient is φ = 111092829100.

The previous prime is 122202111953. The next prime is 122202112073. The reversal of 122202112021 is 120211202221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122202112021 - 2²³ = 122193723413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122202111986 and 122202112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202112091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5554641445 + ... + 5554641466.

It is an arithmetic number, because the mean of its divisors is an integer number (33327848736).

Almost surely, 2^122202112021 is an apocalyptic number.

122202112021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122202112021 is a deficient number, since it is larger than the sum of its proper divisors (11109282923).

122202112021 is a wasteful number, since it uses less digits than its factorization.

122202112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11109282922.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122202112021 its reverse (120211202221), we get a palindrome (242413314242).

The spelling of 122202112021 in words is "one hundred twenty-two billion, two hundred two million, one hundred twelve thousand, twenty-one".