1222013023021 has 32 divisors (see below), whose sum is σ = 1418241097728. Its totient is φ = 1031327320320.

The previous prime is 1222013023009. The next prime is 1222013023087. The reversal of 1222013023021 is 1203203102221.

It is a cyclic number.

It is not a de Polignac number, because 1222013023021 - 2²⁹ = 1221476152109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222013023021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222013023001) 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, 141645510 + ... + 141654136.

It is an arithmetic number, because the mean of its divisors is an integer number (44320034304).

Almost surely, 2^{1222013023021} is an apocalyptic number.

It is an amenable number.

1222013023021 is a deficient number, since it is larger than the sum of its proper divisors (196228074707).

1222013023021 is a wasteful number, since it uses less digits than its factorization.

1222013023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9841.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1222013023021 its reverse (1203203102221), we get a palindrome (2425216125242).

The spelling of 1222013023021 in words is "one trillion, two hundred twenty-two billion, thirteen million, twenty-three thousand, twenty-one".