1100021231986 has 16 divisors (see below), whose sum is σ = 1696291781688. Its totient is φ = 534686118400.

The previous prime is 1100021231977. The next prime is 1100021232017. The reversal of 1100021231986 is 6891321200011.

It can be written as a sum of positive squares in 4 ways, for example, as 352628130625 + 747393101361 = 593825^2 + 864519^2 .

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, 23846875 + ... + 23892958.

Almost surely, 2^{1100021231986} is an apocalyptic number.

1100021231986 is a deficient number, since it is larger than the sum of its proper divisors (596270549702).

1100021231986 is a wasteful number, since it uses less digits than its factorization.

1100021231986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47740157.

The product of its (nonzero) digits is 5184, while the sum is 34.

Adding to 1100021231986 its reverse (6891321200011), we get a palindrome (7991342431997).

The spelling of 1100021231986 in words is "one trillion, one hundred billion, twenty-one million, two hundred thirty-one thousand, nine hundred eighty-six".