2102020100122 has 16 divisors (see below), whose sum is σ = 3160064770920. Its totient is φ = 1048665374208.

The previous prime is 2102020100087. The next prime is 2102020100143. The reversal of 2102020100122 is 2210010202012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1327336714201 + 774683385921 = 1152101^2 + 880161^2 .

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, 34881954 + ... + 34942162.

Almost surely, 2^{2102020100122} is an apocalyptic number.

2102020100122 is a deficient number, since it is larger than the sum of its proper divisors (1058044670798).

2102020100122 is a wasteful number, since it uses less digits than its factorization.

2102020100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98865.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2102020100122 its reverse (2210010202012), we get a palindrome (4312030302134).

The spelling of 2102020100122 in words is "two trillion, one hundred two billion, twenty million, one hundred thousand, one hundred twenty-two".