113121013102 has 16 divisors (see below), whose sum is σ = 173304778752. Its totient is φ = 55352934360.

The previous prime is 113121013079. The next prime is 113121013121. The reversal of 113121013102 is 201310121311.

It is a happy number.

It is a congruent number.

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, 1488643 + ... + 1562785.

It is an arithmetic number, because the mean of its divisors is an integer number (10831548672).

Almost surely, 2^113121013102 is an apocalyptic number.

113121013102 is a deficient number, since it is larger than the sum of its proper divisors (60183765650).

113121013102 is a wasteful number, since it uses less digits than its factorization.

113121013102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90423.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 113121013102 its reverse (201310121311), we get a palindrome (314431134413).

The spelling of 113121013102 in words is "one hundred thirteen billion, one hundred twenty-one million, thirteen thousand, one hundred two".