22020202011021 has 16 divisors (see below), whose sum is σ = 29716636017600. Its totient is φ = 14501982631040.

The previous prime is 22020202011013. The next prime is 22020202011023. The reversal of 22020202011021 is 12011020202022.

It is a cyclic number.

It is not a de Polignac number, because 22020202011021 - 2³ = 22020202011013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020202011023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1086846 + ... + 6724703.

It is an arithmetic number, because the mean of its divisors is an integer number (1857289751100).

Almost surely, 2^{22020202011021} is an apocalyptic number.

It is an amenable number.

22020202011021 is a deficient number, since it is larger than the sum of its proper divisors (7696434006579).

22020202011021 is a wasteful number, since it uses less digits than its factorization.

22020202011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822956.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22020202011021 its reverse (12011020202022), we get a palindrome (34031222213043).

The spelling of 22020202011021 in words is "twenty-two trillion, twenty billion, two hundred two million, eleven thousand, twenty-one".