102202011020122 has 12 divisors (see below), whose sum is σ = 166002674704830. Its totient is φ = 47170158932208.

The previous prime is 102202011020113. The next prime is 102202011020159. The reversal of 102202011020122 is 221020110202201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 70156890192841 + 32045120827281 = 8375971^2 + 5660841^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102202011020096 and 102202011020105.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151186406497 + ... + 151186407172.

Almost surely, 2^{102202011020122} is an apocalyptic number.

102202011020122 is a deficient number, since it is larger than the sum of its proper divisors (63800663684708).

102202011020122 is a wasteful number, since it uses less digits than its factorization.

102202011020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302372813697 (or 302372813684 counting only the distinct ones).

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

Adding to 102202011020122 its reverse (221020110202201), we get a palindrome (323222121222323).

The spelling of 102202011020122 in words is "one hundred two trillion, two hundred two billion, eleven million, twenty thousand, one hundred twenty-two".