113000100121 has 8 divisors (see below), whose sum is σ = 121286168424. Its totient is φ = 104896143360.

The previous prime is 113000100119. The next prime is 113000100127. The reversal of 113000100121 is 121001000311.

It can be written as a sum of positive squares in 4 ways, for example, as 47115477721 + 65884622400 = 217061^2 + 256680^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113000100121 - 2¹ = 113000100119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113000100098 and 113000100107.

It is not an unprimeable number, because it can be changed into a prime (113000100127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45526600 + ... + 45529081.

It is an arithmetic number, because the mean of its divisors is an integer number (15160771053).

Almost surely, 2^113000100121 is an apocalyptic number.

It is an amenable number.

113000100121 is a deficient number, since it is larger than the sum of its proper divisors (8286068303).

113000100121 is an equidigital number, since it uses as much as digits as its factorization.

113000100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91055771.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 113000100121 its reverse (121001000311), we get a palindrome (234001100432).

The spelling of 113000100121 in words is "one hundred thirteen billion, one hundred thousand, one hundred twenty-one".