102201220202 has 16 divisors (see below), whose sum is σ = 154952088360. Its totient is φ = 50553367488.

The previous prime is 102201220183. The next prime is 102201220243. The reversal of 102201220202 is 202022102201.

It can be written as a sum of positive squares in 4 ways, for example, as 102002945641 + 198274561 = 319379^2 + 14081^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638753 + ... + 782564.

Almost surely, 2^102201220202 is an apocalyptic number.

102201220202 is a deficient number, since it is larger than the sum of its proper divisors (52750868158).

102201220202 is a wasteful number, since it uses less digits than its factorization.

102201220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421705.

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

Adding to 102201220202 its reverse (202022102201), we get a palindrome (304223322403).

The spelling of 102201220202 in words is "one hundred two billion, two hundred one million, two hundred twenty thousand, two hundred two".