1022021112009 has 32 divisors (see below), whose sum is σ = 1384332405120. Its totient is φ = 670602240000.

The previous prime is 1022021111953. The next prime is 1022021112043. The reversal of 1022021112009 is 9002111202201.

It is not a de Polignac number, because 1022021112009 - 2²⁹ = 1021484241097 is a prime.

It is a super-2 number, since 2×1022021112009² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1022021112109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144820209 + ... + 144827265.

It is an arithmetic number, because the mean of its divisors is an integer number (43260387660).

Almost surely, 2^{1022021112009} is an apocalyptic number.

It is an amenable number.

1022021112009 is a deficient number, since it is larger than the sum of its proper divisors (362311293111).

1022021112009 is a wasteful number, since it uses less digits than its factorization.

1022021112009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9561.

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

The spelling of 1022021112009 in words is "one trillion, twenty-two billion, twenty-one million, one hundred twelve thousand, nine".