121322000223121 has 4 divisors (see below), whose sum is σ = 121322024754544. Its totient is φ = 121321975691700.

The previous prime is 121322000222981. The next prime is 121322000223131.

121322000223121 is nontrivially palindromic in base 10.

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 121322000223121 - 2²⁵ = 121321966668689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121322000223092 and 121322000223101.

It is not an unprimeable number, because it can be changed into a prime (121322000223131) 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, 1962375 + ... + 15700156.

It is an arithmetic number, because the mean of its divisors is an integer number (30330506188636).

Almost surely, 2^{121322000223121} is an apocalyptic number.

It is an amenable number.

121322000223121 is a deficient number, since it is larger than the sum of its proper divisors (24531423).

121322000223121 is an equidigital number, since it uses as much as digits as its factorization.

121322000223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24531422.

The product of its (nonzero) digits is 576, while the sum is 22.

It can be divided in two parts, 121322000 and 223121, that added together give a palindrome (121545121).

The spelling of 121322000223121 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, two hundred twenty-three thousand, one hundred twenty-one".