121132233113 has 4 divisors (see below), whose sum is σ = 126398851968. Its totient is φ = 115865614260.

The previous prime is 121132233083. The next prime is 121132233127. The reversal of 121132233113 is 311332231121.

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 121132233113 - 2⁶ = 121132233049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 5266618831 = 121132233113 / (1 + 2 + 1 + 1 + 3 + 2 + 2 + 3 + 3 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121132233613) 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, 2633309393 + ... + 2633309438.

It is an arithmetic number, because the mean of its divisors is an integer number (31599712992).

Almost surely, 2^121132233113 is an apocalyptic number.

It is an amenable number.

121132233113 is a deficient number, since it is larger than the sum of its proper divisors (5266618855).

121132233113 is an equidigital number, since it uses as much as digits as its factorization.

121132233113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266618854.

The product of its digits is 648, while the sum is 23.

Adding to 121132233113 its reverse (311332231121), we get a palindrome (432464464234).

The spelling of 121132233113 in words is "one hundred twenty-one billion, one hundred thirty-two million, two hundred thirty-three thousand, one hundred thirteen".