102220102202 has 4 divisors (see below), whose sum is σ = 153330153306. Its totient is φ = 51110051100.

The previous prime is 102220102151. The next prime is 102220102207. The reversal of 102220102202 is 202201022201.

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., 77583974521 + 24636127681 = 278539^2 + 156959^2 .

It is not an unprimeable number, because it can be changed into a prime (102220102207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555025549 + ... + 25555025552.

Almost surely, 2^102220102202 is an apocalyptic number.

102220102202 is a deficient number, since it is larger than the sum of its proper divisors (51110051104).

102220102202 is an equidigital number, since it uses as much as digits as its factorization.

102220102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51110051103.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 102220102202 its reverse (202201022201), we get a palindrome (304421124403).

The spelling of 102220102202 in words is "one hundred two billion, two hundred twenty million, one hundred two thousand, two hundred two".