113121355442 has 16 divisors (see below), whose sum is σ = 175545792000. Its totient is φ = 54614219520.

The previous prime is 113121355433. The next prime is 113121355463. The reversal of 113121355442 is 244553121311.

It is a junction number, because it is equal to n+sod(n) for n = 113121355399 and 113121355408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003942 + ... + 2059617.

It is an arithmetic number, because the mean of its divisors is an integer number (10971612000).

Almost surely, 2^113121355442 is an apocalyptic number.

113121355442 is a deficient number, since it is larger than the sum of its proper divisors (62424436558).

113121355442 is a wasteful number, since it uses less digits than its factorization.

113121355442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064041.

The product of its digits is 14400, while the sum is 32.

Adding to 113121355442 its reverse (244553121311), we get a palindrome (357674476753).

The spelling of 113121355442 in words is "one hundred thirteen billion, one hundred twenty-one million, three hundred fifty-five thousand, four hundred forty-two".