222020100210021 has 8 divisors (see below), whose sum is σ = 296027278601760. Its totient is φ = 148013160979152.

The previous prime is 222020100210001. The next prime is 222020100210059. The reversal of 222020100210021 is 120012001020222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222020100210021 - 2⁷ = 222020100209893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020100210001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57612786 + ... + 61345523.

It is an arithmetic number, because the mean of its divisors is an integer number (37003409825220).

Almost surely, 2^{222020100210021} is an apocalyptic number.

It is an amenable number.

222020100210021 is a deficient number, since it is larger than the sum of its proper divisors (74007178391739).

222020100210021 is a wasteful number, since it uses less digits than its factorization.

222020100210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119580435.

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

Adding to 222020100210021 its reverse (120012001020222), we get a palindrome (342032101230243).

The spelling of 222020100210021 in words is "two hundred twenty-two trillion, twenty billion, one hundred million, two hundred ten thousand, twenty-one".