102221121202 has 16 divisors (see below), whose sum is σ = 160005337920. Its totient is φ = 48886204752.

The previous prime is 102221121199. The next prime is 102221121203. The reversal of 102221121202 is 202121122201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102221121203) 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, 1603249 + ... + 1665787.

It is an arithmetic number, because the mean of its divisors is an integer number (10000333620).

Almost surely, 2^102221121202 is an apocalyptic number.

102221121202 is a deficient number, since it is larger than the sum of its proper divisors (57784216718).

102221121202 is a wasteful number, since it uses less digits than its factorization.

102221121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98097.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102221121202 its reverse (202121122201), we get a palindrome (304342243403).

Subtracting 102221121202 from its reverse (202121122201), we obtain a palindrome (99900000999).

The spelling of 102221121202 in words is "one hundred two billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred two".