122011111002 has 128 divisors (see below), whose sum is σ = 275112702720. Its totient is φ = 35759360000.

The previous prime is 122011110989. The next prime is 122011111051. The reversal of 122011111002 is 200111110221.

It is a super-2 number, since 2×122011111002² (a number of 23 digits) contains 22 as substring.

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, 99276124 + ... + 99277352.

It is an arithmetic number, because the mean of its divisors is an integer number (2149317990).

Almost surely, 2^122011111002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122011111002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137556351360).

122011111002 is an abundant number, since it is smaller than the sum of its proper divisors (153101591718).

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

122011111002 is a wasteful number, since it uses less digits than its factorization.

122011111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122011111002 its reverse (200111110221), we get a palindrome (322122221223).

The spelling of 122011111002 in words is "one hundred twenty-two billion, eleven million, one hundred eleven thousand, two".