22020102020021 has 16 divisors (see below), whose sum is σ = 25848053531520. Its totient is φ = 18362787687360.

The previous prime is 22020102019999. The next prime is 22020102020027. The reversal of 22020102020021 is 12002020102022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020102020021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22020102019978 and 22020102020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020102020027) 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, 142610 + ... + 6637811.

It is an arithmetic number, because the mean of its divisors is an integer number (1615503345720).

Almost surely, 2^{22020102020021} is an apocalyptic number.

It is an amenable number.

22020102020021 is a deficient number, since it is larger than the sum of its proper divisors (3827951511499).

22020102020021 is a wasteful number, since it uses less digits than its factorization.

22020102020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6793004.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22020102020021 its reverse (12002020102022), we get a palindrome (34022122122043).

The spelling of 22020102020021 in words is "twenty-two trillion, twenty billion, one hundred two million, twenty thousand, twenty-one".