111100020220987 has 16 divisors (see below), whose sum is σ = 130523614659072. Its totient is φ = 92601213042240.

The previous prime is 111100020220979. The next prime is 111100020220997. The reversal of 111100020220987 is 789022020001111.

It is not a de Polignac number, because 111100020220987 - 2³ = 111100020220979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111100020220997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1531068433 + ... + 1531140994.

It is an arithmetic number, because the mean of its divisors is an integer number (8157725916192).

Almost surely, 2^{111100020220987} is an apocalyptic number.

111100020220987 is a deficient number, since it is larger than the sum of its proper divisors (19423594438085).

111100020220987 is an equidigital number, since it uses as much as digits as its factorization.

111100020220987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062209578.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 111100020220987 in words is "one hundred eleven trillion, one hundred billion, twenty million, two hundred twenty thousand, nine hundred eighty-seven".