2102202122122 has 32 divisors (see below), whose sum is σ = 3255352773120. Its totient is φ = 1017581529600.

The previous prime is 2102202122101. The next prime is 2102202122143. The reversal of 2102202122122 is 2212212022012.

It is an interprime number because it is at equal distance from previous prime (2102202122101) and next prime (2102202122143).

It is a self number, because there is not a number n which added to its sum of digits gives 2102202122122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17071372 + ... + 17194072.

It is an arithmetic number, because the mean of its divisors is an integer number (101729774160).

Almost surely, 2^{2102202122122} is an apocalyptic number.

2102202122122 is a deficient number, since it is larger than the sum of its proper divisors (1153150650998).

2102202122122 is a wasteful number, since it uses less digits than its factorization.

2102202122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124726.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2102202122122 its reverse (2212212022012), we get a palindrome (4314414144134).

The spelling of 2102202122122 in words is "two trillion, one hundred two billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-two".