112000002021 has 128 divisors (see below), whose sum is σ = 186624000000. Its totient is φ = 66059642880.

The previous prime is 112000002001. The next prime is 112000002029. The reversal of 112000002021 is 120200000211.

It is not a de Polignac number, because 112000002021 - 2⁵ = 112000001989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 112000001994 and 112000002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112000002029) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 74715730 + ... + 74717228.

It is an arithmetic number, because the mean of its divisors is an integer number (1458000000).

Almost surely, 2^112000002021 is an apocalyptic number.

It is an amenable number.

112000002021 is a deficient number, since it is larger than the sum of its proper divisors (74623997979).

112000002021 is a wasteful number, since it uses less digits than its factorization.

112000002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1698 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 112000002021 its reverse (120200000211), we get a palindrome (232200002232).

The spelling of 112000002021 in words is "one hundred twelve billion, two thousand, twenty-one".