113312121322 has 4 divisors (see below), whose sum is σ = 169968181986. Its totient is φ = 56656060660.

The previous prime is 113312121313. The next prime is 113312121331. The reversal of 113312121322 is 223121213311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223121213311 = 8273 ⋅26969807.

It is an interprime number because it is at equal distance from previous prime (113312121313) and next prime (113312121331).

It can be written as a sum of positive squares in only one way, i.e., 82438468641 + 30873652681 = 287121^2 + 175709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113312121293 and 113312121302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28328030329 + ... + 28328030332.

Almost surely, 2^113312121322 is an apocalyptic number.

113312121322 is a deficient number, since it is larger than the sum of its proper divisors (56656060664).

113312121322 is an equidigital number, since it uses as much as digits as its factorization.

113312121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56656060663.

The product of its digits is 432, while the sum is 22.

Adding to 113312121322 its reverse (223121213311), we get a palindrome (336433334633).

The spelling of 113312121322 in words is "one hundred thirteen billion, three hundred twelve million, one hundred twenty-one thousand, three hundred twenty-two".