113121102 has 16 divisors (see below), whose sum is σ = 226738512. Its totient is φ = 37624320.

The previous prime is 113121101. The next prime is 113121103. The reversal of 113121102 is 201121311.

It is an interprime number because it is at equal distance from previous prime (113121101) and next prime (113121103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113121101) 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, 17683 + ... + 23214.

It is an arithmetic number, because the mean of its divisors is an integer number (14171157).

Almost surely, 2^113121102 is an apocalyptic number.

113121102 is an abundant number, since it is smaller than the sum of its proper divisors (113617410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113121102 is a wasteful number, since it uses less digits than its factorization.

113121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41363.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 113121102 is about 10635.8404463399. The cubic root of 113121102 is about 483.6314585116.

Adding to 113121102 its reverse (201121311), we get a palindrome (314242413).

The spelling of 113121102 in words is "one hundred thirteen million, one hundred twenty-one thousand, one hundred two".