113323120111121 has 4 divisors (see below), whose sum is σ = 113323255124544. Its totient is φ = 113322985097700.

The previous prime is 113323120111099. The next prime is 113323120111127. The reversal of 113323120111121 is 121111021323311.

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 113323120111121 - 2¹⁸ = 113323119848977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113323120111127) 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 3 ways as a sum of consecutive naturals, for example, 66239765 + ... + 67929026.

It is an arithmetic number, because the mean of its divisors is an integer number (28330813781136).

Almost surely, 2^{113323120111121} is an apocalyptic number.

It is an amenable number.

113323120111121 is a deficient number, since it is larger than the sum of its proper divisors (135013423).

113323120111121 is an equidigital number, since it uses as much as digits as its factorization.

113323120111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135013422.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 113323120111121 its reverse (121111021323311), we get a palindrome (234434141434432).

The spelling of 113323120111121 in words is "one hundred thirteen trillion, three hundred twenty-three billion, one hundred twenty million, one hundred eleven thousand, one hundred twenty-one".