113111304243420 has 192 divisors, whose sum is σ = 371219103876096. Its totient is φ = 25193853204480.

The previous prime is 113111304243409. The next prime is 113111304243433. The reversal of 113111304243420 is 24342403111311.

It is a super-2 number, since 2×113111304243420² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10838367 + ... + 18538953.

It is an arithmetic number, because the mean of its divisors is an integer number (1933432832688).

Almost surely, 2^{113111304243420} is an apocalyptic number.

113111304243420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113111304243420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185609551938048).

113111304243420 is an abundant number, since it is smaller than the sum of its proper divisors (258107799632676).

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

113111304243420 is a wasteful number, since it uses less digits than its factorization.

113111304243420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701500 (or 7701498 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 113111304243420 its reverse (24342403111311), we get a palindrome (137453707354731).

The spelling of 113111304243420 in words is "one hundred thirteen trillion, one hundred eleven billion, three hundred four million, two hundred forty-three thousand, four hundred twenty".