122200212210121 has 4 divisors (see below), whose sum is σ = 123079350427600. Its totient is φ = 121321073992644.

The previous prime is 122200212210049. The next prime is 122200212210157. The reversal of 122200212210121 is 121012212002221.

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 122200212210121 - 2¹⁹ = 122200211685833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122200212210221) 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, 439569108531 + ... + 439569108808.

It is an arithmetic number, because the mean of its divisors is an integer number (30769837606900).

Almost surely, 2^{122200212210121} is an apocalyptic number.

It is an amenable number.

122200212210121 is a deficient number, since it is larger than the sum of its proper divisors (879138217479).

122200212210121 is an equidigital number, since it uses as much as digits as its factorization.

122200212210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879138217478.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122200212210121 its reverse (121012212002221), we get a palindrome (243212424212342).

The spelling of 122200212210121 in words is "one hundred twenty-two trillion, two hundred billion, two hundred twelve million, two hundred ten thousand, one hundred twenty-one".