102102202210 has 16 divisors (see below), whose sum is σ = 184467180600. Its totient is φ = 40689054976.

The previous prime is 102102202183. The next prime is 102102202219. The reversal of 102102202210 is 12202201201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 90053407921 + 12048794289 = 300089^2 + 109767^2 .

It is a super-2 number, since 2×102102202210² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102102202219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18975415 + ... + 18980794.

Almost surely, 2^102102202210 is an apocalyptic number.

102102202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102102202210 is a deficient number, since it is larger than the sum of its proper divisors (82364978390).

102102202210 is a wasteful number, since it uses less digits than its factorization.

102102202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37956485.

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

Adding to 102102202210 its reverse (12202201201), we get a palindrome (114304403411).

The spelling of 102102202210 in words is "one hundred two billion, one hundred two million, two hundred two thousand, two hundred ten".