102221444122202 has 16 divisors (see below), whose sum is σ = 154728581073192. Its totient is φ = 50645481384960.

The previous prime is 102221444122199. The next prime is 102221444122223. The reversal of 102221444122202 is 202221444122201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 80004277029121 + 22217167093081 = 8944511^2 + 4713509^2 .

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, 56851199 + ... + 58621682.

Almost surely, 2^{102221444122202} is an apocalyptic number.

102221444122202 is a deficient number, since it is larger than the sum of its proper divisors (52507136950990).

102221444122202 is a wasteful number, since it uses less digits than its factorization.

102221444122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115476913.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 102221444122202 its reverse (202221444122201), we get a palindrome (304442888244403).

Subtracting 102221444122202 from its reverse (202221444122201), we obtain a palindrome (99999999999999).

The spelling of 102221444122202 in words is "one hundred two trillion, two hundred twenty-one billion, four hundred forty-four million, one hundred twenty-two thousand, two hundred two".