2100210222122 has 16 divisors (see below), whose sum is σ = 3162402548160. Its totient is φ = 1046078282592.

The previous prime is 2100210222059. The next prime is 2100210222151. The reversal of 2100210222122 is 2212220120012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100210222122.

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, 1319558 + ... + 2437550.

It is an arithmetic number, because the mean of its divisors is an integer number (197650159260).

Almost surely, 2^{2100210222122} is an apocalyptic number.

2100210222122 is a deficient number, since it is larger than the sum of its proper divisors (1062192326038).

2100210222122 is a wasteful number, since it uses less digits than its factorization.

2100210222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121597.

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

Adding to 2100210222122 its reverse (2212220120012), we get a palindrome (4312430342134).

The spelling of 2100210222122 in words is "two trillion, one hundred billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty-two".