2100122002222 has 16 divisors (see below), whose sum is σ = 3335575289040. Its totient is φ = 988266809728.

The previous prime is 2100122002157. The next prime is 2100122002289. The reversal of 2100122002222 is 2222002210012.

It is a junction number, because it is equal to n+sod(n) for n = 2100122002196 and 2100122002205.

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, 539904 + ... + 2119372.

It is an arithmetic number, because the mean of its divisors is an integer number (208473455565).

Almost surely, 2^{2100122002222} is an apocalyptic number.

2100122002222 is a deficient number, since it is larger than the sum of its proper divisors (1235453286818).

2100122002222 is a wasteful number, since it uses less digits than its factorization.

2100122002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618595.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2100122002222 its reverse (2222002210012), we get a palindrome (4322124212234).

The spelling of 2100122002222 in words is "two trillion, one hundred billion, one hundred twenty-two million, two thousand, two hundred twenty-two".