2021222222002 has 8 divisors (see below), whose sum is σ = 3031839946476. Its totient is φ = 1010608906512.

The previous prime is 2021222221937. The next prime is 2021222222021. The reversal of 2021222222002 is 2002222221202.

It can be written as a sum of positive squares in 2 ways, for example, as 1877642613441 + 143579608561 = 1370271^2 + 378919^2 .

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, 523288 + ... + 2077564.

Almost surely, 2^{2021222222002} is an apocalyptic number.

2021222222002 is a deficient number, since it is larger than the sum of its proper divisors (1010617724474).

2021222222002 is a wasteful number, since it uses less digits than its factorization.

2021222222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204492.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2021222222002 its reverse (2002222221202), we get a palindrome (4023444443204).

The spelling of 2021222222002 in words is "two trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, two".