2022021221002 has 8 divisors (see below), whose sum is σ = 3033038938212. Its totient is φ = 1011008241600.

The previous prime is 2022021220979. The next prime is 2022021221027. The reversal of 2022021221002 is 2001221202202.

It can be written as a sum of positive squares in 2 ways, for example, as 2010443245801 + 11577975201 = 1417901^2 + 107601^2 .

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

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, 211602 + ... + 2022082.

Almost surely, 2^{2022021221002} is an apocalyptic number.

2022021221002 is a deficient number, since it is larger than the sum of its proper divisors (1011017717210).

2022021221002 is a wasteful number, since it uses less digits than its factorization.

2022021221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368904.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2022021221002 its reverse (2001221202202), we get a palindrome (4023242423204).

The spelling of 2022021221002 in words is "two trillion, twenty-two billion, twenty-one million, two hundred twenty-one thousand, two".