102202112 has 18 divisors (see below), whose sum is σ = 204005508. Its totient is φ = 51100928.

The previous prime is 102202091. The next prime is 102202123. The reversal of 102202112 is 211202201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102202093 and 102202102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199358 + ... + 199869.

Almost surely, 2^102202112 is an apocalyptic number.

It is an amenable number.

102202112 is a deficient number, since it is larger than the sum of its proper divisors (101803396).

102202112 is an frugal number, since it uses more digits than its factorization.

102202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399243 (or 399229 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 102202112 is about 10109.5060215621. The cubic root of 102202112 is about 467.5412750121.

Adding to 102202112 its reverse (211202201), we get a palindrome (313404313).

The spelling of 102202112 in words is "one hundred two million, two hundred two thousand, one hundred twelve".