111010220997 has 24 divisors (see below), whose sum is σ = 160296809184. Its totient is φ = 68304734784.

The previous prime is 111010220989. The next prime is 111010221011. The reversal of 111010220997 is 799022010111.

It is not a de Polignac number, because 111010220997 - 2³ = 111010220989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010220197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7088658 + ... + 7104300.

It is an arithmetic number, because the mean of its divisors is an integer number (6679033716).

Almost surely, 2^111010220997 is an apocalyptic number.

It is an amenable number.

111010220997 is a deficient number, since it is larger than the sum of its proper divisors (49286588187).

111010220997 is a wasteful number, since it uses less digits than its factorization.

111010220997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29669 (or 29656 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 33.

The spelling of 111010220997 in words is "one hundred eleven billion, ten million, two hundred twenty thousand, nine hundred ninety-seven".