220111019999 has 6 divisors (see below), whose sum is σ = 238345069176. Its totient is φ = 203179402920.

The previous prime is 220111019971. The next prime is 220111020007. The reversal of 220111019999 is 999910111022.

It is not a de Polignac number, because 220111019999 - 2⁸ = 220111019743 is a prime.

It is a super-2 number, since 2×220111019999² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111019939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 651215867 + ... + 651216204.

It is an arithmetic number, because the mean of its divisors is an integer number (39724178196).

Almost surely, 2^220111019999 is an apocalyptic number.

220111019999 is a deficient number, since it is larger than the sum of its proper divisors (18234049177).

220111019999 is a wasteful number, since it uses less digits than its factorization.

220111019999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302432097 (or 1302432084 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 220111019999 in words is "two hundred twenty billion, one hundred eleven million, nineteen thousand, nine hundred ninety-nine".