2021001001222 has 16 divisors (see below), whose sum is σ = 3523294725120. Its totient is φ = 851462891208.

The previous prime is 2021001001219. The next prime is 2021001001259. The reversal of 2021001001222 is 2221001001202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223365398 + ... + 1223367049.

It is an arithmetic number, because the mean of its divisors is an integer number (220205920320).

Almost surely, 2^{2021001001222} is an apocalyptic number.

2021001001222 is a deficient number, since it is larger than the sum of its proper divisors (1502293723898).

2021001001222 is a wasteful number, since it uses less digits than its factorization.

2021001001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446732515.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2021001001222 its reverse (2221001001202), we get a palindrome (4242002002424).

The spelling of 2021001001222 in words is "two trillion, twenty-one billion, one million, one thousand, two hundred twenty-two".