2021130221022 has 48 divisors (see below), whose sum is σ = 4777326648432. Its totient is φ = 612449631360.

The previous prime is 2021130220999. The next prime is 2021130221083. The reversal of 2021130221022 is 2201220311202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2021130220986 and 2021130221004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11343528 + ... + 11520324.

It is an arithmetic number, because the mean of its divisors is an integer number (99527638509).

Almost surely, 2^{2021130221022} is an apocalyptic number.

2021130221022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2021130221022 is an abundant number, since it is smaller than the sum of its proper divisors (2756196427410).

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

2021130221022 is a wasteful number, since it uses less digits than its factorization.

2021130221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234553 (or 234550 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2021130221022 its reverse (2201220311202), we get a palindrome (4222350532224).

The spelling of 2021130221022 in words is "two trillion, twenty-one billion, one hundred thirty million, two hundred twenty-one thousand, twenty-two".