113111131112020 has 96 divisors (see below), whose sum is σ = 248140708478208. Its totient is φ = 43228475676672.

The previous prime is 113111131112011. The next prime is 113111131112029. The reversal of 113111131112020 is 20211131111311.

It is an interprime number because it is at equal distance from previous prime (113111131112011) and next prime (113111131112029).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113111131112029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1586531494 + ... + 1586602786.

It is an arithmetic number, because the mean of its divisors is an integer number (2584799046648).

Almost surely, 2^{113111131112020} is an apocalyptic number.

113111131112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113111131112020 is an abundant number, since it is smaller than the sum of its proper divisors (135029577366188).

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

113111131112020 is a wasteful number, since it uses less digits than its factorization.

113111131112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75169 (or 75167 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 113111131112020 its reverse (20211131111311), we get a palindrome (133322262223331).

The spelling of 113111131112020 in words is "one hundred thirteen trillion, one hundred eleven billion, one hundred thirty-one million, one hundred twelve thousand, twenty".