113121213310 has 24 divisors (see below), whose sum is σ = 236861970120. Its totient is φ = 38784415824.

The previous prime is 113121213301. The next prime is 113121213343. The reversal of 113121213310 is 13312121311.

It is a super-2 number, since 2×113121213310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115429320 + ... + 115430299.

It is an arithmetic number, because the mean of its divisors is an integer number (9869248755).

Almost surely, 2^113121213310 is an apocalyptic number.

113121213310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113121213310 is an abundant number, since it is smaller than the sum of its proper divisors (123740756810).

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

113121213310 is a wasteful number, since it uses less digits than its factorization.

113121213310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230859640 (or 230859633 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113121213310 its reverse (13312121311), we get a palindrome (126433334621).

The spelling of 113121213310 in words is "one hundred thirteen billion, one hundred twenty-one million, two hundred thirteen thousand, three hundred ten".