102200110100221 has 4 divisors (see below), whose sum is σ = 116800125828832. Its totient is φ = 87600094371612.

The previous prime is 102200110100131. The next prime is 102200110100261. The reversal of 102200110100221 is 122001011002201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102200110100221 - 2²⁷ = 102199975882493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200110100261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7300007864295 + ... + 7300007864308.

It is an arithmetic number, because the mean of its divisors is an integer number (29200031457208).

Almost surely, 2^{102200110100221} is an apocalyptic number.

It is an amenable number.

102200110100221 is a deficient number, since it is larger than the sum of its proper divisors (14600015728611).

102200110100221 is an equidigital number, since it uses as much as digits as its factorization.

102200110100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14600015728610.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102200110100221 its reverse (122001011002201), we get a palindrome (224201121102422).

The spelling of 102200110100221 in words is "one hundred two trillion, two hundred billion, one hundred ten million, one hundred thousand, two hundred twenty-one".