1002011221092 has 24 divisors (see below), whose sum is σ = 2672029923136. Its totient is φ = 286288920288.

The previous prime is 1002011221073. The next prime is 1002011221151. The reversal of 1002011221092 is 2901221102001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5964352423 + ... + 5964352590.

Almost surely, 2^{1002011221092} is an apocalyptic number.

1002011221092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002011221092 is an abundant number, since it is smaller than the sum of its proper divisors (1670018702044).

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

1002011221092 is a wasteful number, since it uses less digits than its factorization.

1002011221092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11928705027 (or 11928705025 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 1002011221092 its reverse (2901221102001), we get a palindrome (3903232323093).

The spelling of 1002011221092 in words is "one trillion, two billion, eleven million, two hundred twenty-one thousand, ninety-two".