102202121221010 has 16 divisors (see below), whose sum is σ = 191962245076416. Its totient is φ = 39103420293168.

The previous prime is 102202121221001. The next prime is 102202121221019. The reversal of 102202121221010 is 10122121202201.

It is an interprime number because it is at equal distance from previous prime (102202121221001) and next prime (102202121221019).

It is a self number, because there is not a number n which added to its sum of digits gives 102202121221010.

It is not an unprimeable number, because it can be changed into a prime (102202121221019) 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, 222178524164 + ... + 222178524623.

It is an arithmetic number, because the mean of its divisors is an integer number (11997640317276).

Almost surely, 2^{102202121221010} is an apocalyptic number.

102202121221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102202121221010 is a deficient number, since it is larger than the sum of its proper divisors (89760123855406).

102202121221010 is a wasteful number, since it uses less digits than its factorization.

102202121221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444357048817.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102202121221010 its reverse (10122121202201), we get a palindrome (112324242423211).

The spelling of 102202121221010 in words is "one hundred two trillion, two hundred two billion, one hundred twenty-one million, two hundred twenty-one thousand, ten".