111002009292 has 72 divisors (see below), whose sum is σ = 288011505600. Its totient is φ = 36033526368.

The previous prime is 111002009273. The next prime is 111002009369. The reversal of 111002009292 is 292900200111.

It is a super-2 number, since 2×111002009292² (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 23 ways as a sum of consecutive naturals, for example, 16942 + ... + 471477.

It is an arithmetic number, because the mean of its divisors is an integer number (4000159800).

Almost surely, 2^111002009292 is an apocalyptic number.

111002009292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111002009292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144005752800).

111002009292 is an abundant number, since it is smaller than the sum of its proper divisors (177009496308).

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

111002009292 is a wasteful number, since it uses less digits than its factorization.

111002009292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488595 (or 488590 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 111002009292 in words is "one hundred eleven billion, two million, nine thousand, two hundred ninety-two".