122202212212121 has 4 divisors (see below), whose sum is σ = 124802259280512. Its totient is φ = 119602165143732.

The previous prime is 122202212212007. The next prime is 122202212212123. The reversal of 122202212212121 is 121212212202221.

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 a cyclic number.

It is not a de Polignac number, because 122202212212121 - 2²² = 122202208017817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122202212212123) 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, 1300023534125 + ... + 1300023534218.

It is an arithmetic number, because the mean of its divisors is an integer number (31200564820128).

Almost surely, 2^{122202212212121} is an apocalyptic number.

It is an amenable number.

122202212212121 is a deficient number, since it is larger than the sum of its proper divisors (2600047068391).

122202212212121 is an equidigital number, since it uses as much as digits as its factorization.

122202212212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600047068390.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122202212212121 its reverse (121212212202221), we get a palindrome (243414424414342).

The spelling of 122202212212121 in words is "one hundred twenty-two trillion, two hundred two billion, two hundred twelve million, two hundred twelve thousand, one hundred twenty-one".