2021123130222 has 64 divisors (see below), whose sum is σ = 4631603074560. Its totient is φ = 575978511744.

The previous prime is 2021123130217. The next prime is 2021123130263. The reversal of 2021123130222 is 2220313211202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36165033 + ... + 36220875.

It is an arithmetic number, because the mean of its divisors is an integer number (72368798040).

Almost surely, 2^{2021123130222} is an apocalyptic number.

2021123130222 is an abundant number, since it is smaller than the sum of its proper divisors (2610479944338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021123130222 is a wasteful number, since it uses less digits than its factorization.

2021123130222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58057.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2021123130222 its reverse (2220313211202), we get a palindrome (4241436341424).

The spelling of 2021123130222 in words is "two trillion, twenty-one billion, one hundred twenty-three million, one hundred thirty thousand, two hundred twenty-two".