2100221000112 has 40 divisors (see below), whose sum is σ = 5425638959104. Its totient is φ = 700064887104.

The previous prime is 2100221000099. The next prime is 2100221000131. The reversal of 2100221000112 is 2110001220012.

It is a super-2 number, since 2×2100221000112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4421553 + ... + 4873455.

Almost surely, 2^{2100221000112} is an apocalyptic number.

It is an amenable number.

2100221000112 is an abundant number, since it is smaller than the sum of its proper divisors (3325417958992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100221000112 is a wasteful number, since it uses less digits than its factorization.

2100221000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548737 (or 548731 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100221000112 its reverse (2110001220012), we get a palindrome (4210222220124).

The spelling of 2100221000112 in words is "two trillion, one hundred billion, two hundred twenty-one million, one hundred twelve", and thus it is an aban number.