2101222102022 has 16 divisors (see below), whose sum is σ = 3207569576400. Its totient is φ = 1032190361088.

The previous prime is 2101222101991. The next prime is 2101222102039. The reversal of 2101222102022 is 2202012221012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39502772 + ... + 39555927.

It is an arithmetic number, because the mean of its divisors is an integer number (200473098525).

Almost surely, 2^{2101222102022} is an apocalyptic number.

2101222102022 is a deficient number, since it is larger than the sum of its proper divisors (1106347474378).

2101222102022 is a wasteful number, since it uses less digits than its factorization.

2101222102022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79058935.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2101222102022 its reverse (2202012221012), we get a palindrome (4303234323034).

The spelling of 2101222102022 in words is "two trillion, one hundred one billion, two hundred twenty-two million, one hundred two thousand, twenty-two".