1100021131012 has 24 divisors (see below), whose sum is σ = 1956987893504. Its totient is φ = 540908783712.

The previous prime is 1100021130997. The next prime is 1100021131039. The reversal of 1100021131012 is 2101311200011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1100021130983 and 1100021131001.

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, 3218343 + ... + 3543694.

Almost surely, 2^{1100021131012} is an apocalyptic number.

It is an amenable number.

1100021131012 is a deficient number, since it is larger than the sum of its proper divisors (856966762492).

1100021131012 is a wasteful number, since it uses less digits than its factorization.

1100021131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6762715 (or 6762713 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1100021131012 its reverse (2101311200011), we get a palindrome (3201332331023).

The spelling of 1100021131012 in words is "one trillion, one hundred billion, twenty-one million, one hundred thirty-one thousand, twelve".