1112001021992 has 24 divisors (see below), whose sum is σ = 2425410393210. Its totient is φ = 476571866400.

The previous prime is 1112001021977. The next prime is 1112001022019. The reversal of 1112001021992 is 2991201002111.

It can be written as a sum of positive squares in only one way, i.e., 619076270596 + 492924751396 = 786814^2 + 702086^2 .

It is a super-2 number, since 2×1112001021992² (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 5 ways as a sum of consecutive naturals, for example, 1418368259 + ... + 1418369042.

Almost surely, 2^{1112001021992} is an apocalyptic number.

It is an amenable number.

1112001021992 is an abundant number, since it is smaller than the sum of its proper divisors (1313409371218).

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

1112001021992 is a wasteful number, since it uses less digits than its factorization.

1112001021992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836737321 (or 2836737310 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 1112001021992 in words is "one trillion, one hundred twelve billion, one million, twenty-one thousand, nine hundred ninety-two".