201010120002122 has 4 divisors (see below), whose sum is σ = 301515180003186. Its totient is φ = 100505060001060.

The previous prime is 201010120002089. The next prime is 201010120002161. The reversal of 201010120002122 is 221200021010102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101153688435361 + 99856431566761 = 10057519^2 + 9992819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201010120002097 and 201010120002106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50252530000529 + ... + 50252530000532.

Almost surely, 2^{201010120002122} is an apocalyptic number.

201010120002122 is a deficient number, since it is larger than the sum of its proper divisors (100505060001064).

201010120002122 is a wasteful number, since it uses less digits than its factorization.

201010120002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100505060001063.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201010120002122 its reverse (221200021010102), we get a palindrome (422210141012224).

The spelling of 201010120002122 in words is "two hundred one trillion, ten billion, one hundred twenty million, two thousand, one hundred twenty-two".