122311113102 has 96 divisors (see below), whose sum is σ = 278706355200. Its totient is φ = 40195722528.

The previous prime is 122311113073. The next prime is 122311113143. The reversal of 122311113102 is 201311113221.

122311113102 is a `hidden beast` number, since 12 + 231 + 111 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32210668 + ... + 32214464.

It is an arithmetic number, because the mean of its divisors is an integer number (2903191200).

Almost surely, 2^122311113102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122311113102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139353177600).

122311113102 is an abundant number, since it is smaller than the sum of its proper divisors (156395242098).

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

122311113102 is an equidigital number, since it uses as much as digits as its factorization.

122311113102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732 (or 4720 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 122311113102 its reverse (201311113221), we get a palindrome (323622226323).

The spelling of 122311113102 in words is "one hundred twenty-two billion, three hundred eleven million, one hundred thirteen thousand, one hundred two".