819220110112 has 24 divisors (see below), whose sum is σ = 1613251382400. Its totient is φ = 409505473344.

The previous prime is 819220110103. The next prime is 819220110127. The reversal of 819220110112 is 211011022918.

It is a super-2 number, since 2×819220110112² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3140812 + ... + 3391627.

It is an arithmetic number, because the mean of its divisors is an integer number (67218807600).

Almost surely, 2^819220110112 is an apocalyptic number.

It is an amenable number.

819220110112 is a deficient number, since it is larger than the sum of its proper divisors (794031272288).

819220110112 is a wasteful number, since it uses less digits than its factorization.

819220110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6536368 (or 6536360 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 819220110112 in words is "eight hundred nineteen billion, two hundred twenty million, one hundred ten thousand, one hundred twelve".