113122212989 has 8 divisors (see below), whose sum is σ = 114444954360. Its totient is φ = 111800620800.

The previous prime is 113122212961. The next prime is 113122213067. The reversal of 113122212989 is 989212221311.

It can be written as a sum of positive squares in 4 ways, for example, as 18894701764 + 94227511225 = 137458^2 + 306965^2 .

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 113122212989 - 2¹² = 113122208893 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 (113122212919) 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, 88472 + ... + 483809.

It is an arithmetic number, because the mean of its divisors is an integer number (14305619295).

Almost surely, 2^113122212989 is an apocalyptic number.

It is an amenable number.

113122212989 is a deficient number, since it is larger than the sum of its proper divisors (1322741371).

113122212989 is an equidigital number, since it uses as much as digits as its factorization.

113122212989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574591.

The product of its digits is 31104, while the sum is 41.

The spelling of 113122212989 in words is "one hundred thirteen billion, one hundred twenty-two million, two hundred twelve thousand, nine hundred eighty-nine".