113112021101 has 8 divisors (see below), whose sum is σ = 114481949304. Its totient is φ = 111746995200.

The previous prime is 113112021097. The next prime is 113112021131. The reversal of 113112021101 is 101120211311.

It can be written as a sum of positive squares in 4 ways, for example, as 92826855625 + 20285165476 = 304675^2 + 142426^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113112021101 - 2² = 113112021097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112021131) 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, 1179140 + ... + 1271453.

It is an arithmetic number, because the mean of its divisors is an integer number (14310243663).

Almost surely, 2^113112021101 is an apocalyptic number.

It is an amenable number.

113112021101 is a deficient number, since it is larger than the sum of its proper divisors (1369928203).

113112021101 is a wasteful number, since it uses less digits than its factorization.

113112021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451151.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 113112021101 its reverse (101120211311), we get a palindrome (214232232412).

The spelling of 113112021101 in words is "one hundred thirteen billion, one hundred twelve million, twenty-one thousand, one hundred one".