121235334322051 has 4 divisors (see below), whose sum is σ = 121235650486312. Its totient is φ = 121235018157792.

The previous prime is 121235334322009. The next prime is 121235334322103. The reversal of 121235334322051 is 150223433532121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121235334322051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121235334322051.

It is not an unprimeable number, because it can be changed into a prime (121235334325051) 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, 157506246 + ... + 158274091.

It is an arithmetic number, because the mean of its divisors is an integer number (30308912621578).

Almost surely, 2^{121235334322051} is an apocalyptic number.

121235334322051 is a deficient number, since it is larger than the sum of its proper divisors (316164261).

121235334322051 is an equidigital number, since it uses as much as digits as its factorization.

121235334322051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316164260.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 121235334322051 its reverse (150223433532121), we get a palindrome (271458767854172).

The spelling of 121235334322051 in words is "one hundred twenty-one trillion, two hundred thirty-five billion, three hundred thirty-four million, three hundred twenty-two thousand, fifty-one".