2021222121022 has 32 divisors (see below), whose sum is σ = 3383814621600. Its totient is φ = 899056948608.

The previous prime is 2021222120933. The next prime is 2021222121031. The reversal of 2021222121022 is 2201212221202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037897 + ... + 2862772.

It is an arithmetic number, because the mean of its divisors is an integer number (105744206925).

Almost surely, 2^{2021222121022} is an apocalyptic number.

2021222121022 is a deficient number, since it is larger than the sum of its proper divisors (1362592500578).

2021222121022 is a wasteful number, since it uses less digits than its factorization.

2021222121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901260.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2021222121022 its reverse (2201212221202), we get a palindrome (4222434342224).

The spelling of 2021222121022 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred twenty-one thousand, twenty-two".