122122010121121 has 4 divisors (see below), whose sum is σ = 122122361810992. Its totient is φ = 122121658431252.

The previous prime is 122122010121109. The next prime is 122122010121127. The reversal of 122122010121121 is 121121010221221.

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 a cyclic number.

It is not a de Polignac number, because 122122010121121 - 2⁷ = 122122010120993 is a prime.

It is a super-2 number, since 2×122122010121121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122122010121127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175323555 + ... + 176018728.

It is an arithmetic number, because the mean of its divisors is an integer number (30530590452748).

Almost surely, 2^{122122010121121} is an apocalyptic number.

It is an amenable number.

122122010121121 is a deficient number, since it is larger than the sum of its proper divisors (351689871).

122122010121121 is an equidigital number, since it uses as much as digits as its factorization.

122122010121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351689870.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122122010121121 its reverse (121121010221221), we get a palindrome (243243020342342).

The spelling of 122122010121121 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, ten million, one hundred twenty-one thousand, one hundred twenty-one".