2021000121022 has 16 divisors (see below), whose sum is σ = 3033870159600. Its totient is φ = 1009710217152.

The previous prime is 2021000120987. The next prime is 2021000121031. The reversal of 2021000121022 is 2201210001202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021000120993 and 2021000121011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32443618 + ... + 32505850.

It is an arithmetic number, because the mean of its divisors is an integer number (189616884975).

Almost surely, 2^{2021000121022} is an apocalyptic number.

2021000121022 is a deficient number, since it is larger than the sum of its proper divisors (1012870038578).

2021000121022 is a wasteful number, since it uses less digits than its factorization.

2021000121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74667.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2021000121022 its reverse (2201210001202), we get a palindrome (4222210122224).

The spelling of 2021000121022 in words is "two trillion, twenty-one billion, one hundred twenty-one thousand, twenty-two".