102202121210 has 32 divisors (see below), whose sum is σ = 213691001472. Its totient is φ = 34466287680.

The previous prime is 102202121191. The next prime is 102202121213. The reversal of 102202121210 is 12121202201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102202121213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11963192 + ... + 11971731.

It is an arithmetic number, because the mean of its divisors is an integer number (6677843796).

Almost surely, 2^102202121210 is an apocalyptic number.

102202121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102202121210 is an abundant number, since it is smaller than the sum of its proper divisors (111488880262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102202121210 is a wasteful number, since it uses less digits than its factorization.

102202121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23934998.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102202121210 its reverse (12121202201), we get a palindrome (114323323411).

The spelling of 102202121210 in words is "one hundred two billion, two hundred two million, one hundred twenty-one thousand, two hundred ten".