220111211131989 has 32 divisors (see below), whose sum is σ = 303122674483200. Its totient is φ = 141925726060800.

The previous prime is 220111211131949. The next prime is 220111211131991. The reversal of 220111211131989 is 989131112111022.

It is not a de Polignac number, because 220111211131989 - 2³³ = 220102621197397 is a prime.

It is a super-2 number, since 2×220111211131989² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220111211131989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111211131949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2170692712 + ... + 2170794110.

It is an arithmetic number, because the mean of its divisors is an integer number (9472583577600).

Almost surely, 2^{220111211131989} is an apocalyptic number.

It is an amenable number.

220111211131989 is a deficient number, since it is larger than the sum of its proper divisors (83011463351211).

220111211131989 is a wasteful number, since it uses less digits than its factorization.

220111211131989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114601.

The product of its (nonzero) digits is 15552, while the sum is 42.

The spelling of 220111211131989 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred eleven million, one hundred thirty-one thousand, nine hundred eighty-nine".