10120202102122 has 24 divisors (see below), whose sum is σ = 17991903399876. Its totient is φ = 4255394951808.

The previous prime is 10120202102111. The next prime is 10120202102177. The reversal of 10120202102122 is 22120120202101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9334069839241 + 786132262881 = 3055171^2 + 886641^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10120202102096 and 10120202102105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 974215263 + ... + 974225650.

Almost surely, 2^{10120202102122} is an apocalyptic number.

10120202102122 is a deficient number, since it is larger than the sum of its proper divisors (7871701297754).

10120202102122 is a wasteful number, since it uses less digits than its factorization.

10120202102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948440982 (or 1948440975 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10120202102122 its reverse (22120120202101), we get a palindrome (32240322304223).

The spelling of 10120202102122 in words is "ten trillion, one hundred twenty billion, two hundred two million, one hundred two thousand, one hundred twenty-two".