113023212312121 has 4 divisors (see below), whose sum is σ = 113836328947600. Its totient is φ = 112210095676644.

The previous prime is 113023212312107. The next prime is 113023212312193. The reversal of 113023212312121 is 121213212320311.

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 113023212312121 - 2¹³ = 113023212303929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113023212352121) 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, 406558317531 + ... + 406558317808.

It is an arithmetic number, because the mean of its divisors is an integer number (28459082236900).

Almost surely, 2^{113023212312121} is an apocalyptic number.

It is an amenable number.

113023212312121 is a deficient number, since it is larger than the sum of its proper divisors (813116635479).

113023212312121 is an equidigital number, since it uses as much as digits as its factorization.

113023212312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813116635478.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 113023212312121 its reverse (121213212320311), we get a palindrome (234236424632432).

The spelling of 113023212312121 in words is "one hundred thirteen trillion, twenty-three billion, two hundred twelve million, three hundred twelve thousand, one hundred twenty-one".