2121022021022 has 8 divisors (see below), whose sum is σ = 3181558139496. Its totient is φ = 1060502641192.

The previous prime is 2121022021007. The next prime is 2121022021033. The reversal of 2121022021022 is 2201202201212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3862928 + ... + 4377699.

It is an arithmetic number, because the mean of its divisors is an integer number (397694767437).

Almost surely, 2^{2121022021022} is an apocalyptic number.

2121022021022 is a deficient number, since it is larger than the sum of its proper divisors (1060536118474).

2121022021022 is a wasteful number, since it uses less digits than its factorization.

2121022021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8369322.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2121022021022 its reverse (2201202201212), we get a palindrome (4322224222234).

The spelling of 2121022021022 in words is "two trillion, one hundred twenty-one billion, twenty-two million, twenty-one thousand, twenty-two".