121342522233 has 16 divisors (see below), whose sum is σ = 166479376896. Its totient is φ = 78568037760.

The previous prime is 121342522201. The next prime is 121342522253. The reversal of 121342522233 is 332225243121.

It is not a de Polignac number, because 121342522233 - 2⁵ = 121342522201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121342522233.

It is not an unprimeable number, because it can be changed into a prime (121342522253) 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 15 ways as a sum of consecutive naturals, for example, 2184510 + ... + 2239367.

It is an arithmetic number, because the mean of its divisors is an integer number (10404961056).

Almost surely, 2^121342522233 is an apocalyptic number.

It is an amenable number.

121342522233 is a deficient number, since it is larger than the sum of its proper divisors (45136854663).

121342522233 is a wasteful number, since it uses less digits than its factorization.

121342522233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424144.

The product of its digits is 17280, while the sum is 30.

Adding to 121342522233 its reverse (332225243121), we get a palindrome (453567765354).

The spelling of 121342522233 in words is "one hundred twenty-one billion, three hundred forty-two million, five hundred twenty-two thousand, two hundred thirty-three".