2121000122022 has 32 divisors (see below), whose sum is σ = 4260882009600. Its totient is φ = 703854654048.

The previous prime is 2121000122009. The next prime is 2121000122023. The reversal of 2121000122022 is 2202210001212.

It is a junction number, because it is equal to n+sod(n) for n = 2121000121992 and 2121000122010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121000122023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5250129 + ... + 5639667.

It is an arithmetic number, because the mean of its divisors is an integer number (133152562800).

Almost surely, 2^{2121000122022} is an apocalyptic number.

2121000122022 is an abundant number, since it is smaller than the sum of its proper divisors (2139881887578).

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

2121000122022 is a wasteful number, since it uses less digits than its factorization.

2121000122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393580.

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

Adding to 2121000122022 its reverse (2202210001212), we get a palindrome (4323210123234).

The spelling of 2121000122022 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-two thousand, twenty-two".