122210031421 has 4 divisors (see below), whose sum is σ = 127523511072. Its totient is φ = 116896551772.

The previous prime is 122210031403. The next prime is 122210031457. The reversal of 122210031421 is 124130012221.

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 122210031421 - 2²³ = 122201642813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210031521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656739791 + ... + 2656739836.

It is an arithmetic number, because the mean of its divisors is an integer number (31880877768).

Almost surely, 2^122210031421 is an apocalyptic number.

It is an amenable number.

122210031421 is a deficient number, since it is larger than the sum of its proper divisors (5313479651).

122210031421 is an equidigital number, since it uses as much as digits as its factorization.

122210031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313479650.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122210031421 its reverse (124130012221), we get a palindrome (246340043642).

It can be divided in two parts, 1222100 and 31421, that added together give a palindrome (1253521).

The spelling of 122210031421 in words is "one hundred twenty-two billion, two hundred ten million, thirty-one thousand, four hundred twenty-one".