2021311012222 has 16 divisors (see below), whose sum is σ = 3081726417600. Its totient is φ = 994069470240.

The previous prime is 2021311012211. The next prime is 2021311012349. The reversal of 2021311012222 is 2222101131202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021311012222.

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, 8876404 + ... + 9101272.

It is an arithmetic number, because the mean of its divisors is an integer number (192607901100).

Almost surely, 2^{2021311012222} is an apocalyptic number.

2021311012222 is a deficient number, since it is larger than the sum of its proper divisors (1060415405378).

2021311012222 is a wasteful number, since it uses less digits than its factorization.

2021311012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298611.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2021311012222 its reverse (2222101131202), we get a palindrome (4243412143424).

The spelling of 2021311012222 in words is "two trillion, twenty-one billion, three hundred eleven million, twelve thousand, two hundred twenty-two".