2021120211022 has 64 divisors (see below), whose sum is σ = 3425671968768. Its totient is φ = 886014864000.

The previous prime is 2021120210987. The next prime is 2021120211037. The reversal of 2021120211022 is 2201120211202.

It is a happy number.

It is a super-2 number, since 2×2021120211022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021120210987 and 2021120211005.

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, 266881228 + ... + 266888800.

It is an arithmetic number, because the mean of its divisors is an integer number (53526124512).

Almost surely, 2^{2021120211022} is an apocalyptic number.

2021120211022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2021120211022 is a deficient number, since it is larger than the sum of its proper divisors (1404551757746).

2021120211022 is a wasteful number, since it uses less digits than its factorization.

2021120211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2021120211022 its reverse (2201120211202), we get a palindrome (4222240422224).

The spelling of 2021120211022 in words is "two trillion, twenty-one billion, one hundred twenty million, two hundred eleven thousand, twenty-two".