102201220122211 has 4 divisors (see below), whose sum is σ = 116801394425392. Its totient is φ = 87601045819032.

The previous prime is 102201220122193. The next prime is 102201220122257. The reversal of 102201220122211 is 112221022102201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102201220122211 - 2⁵ = 102201220122179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102201220152211) 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, 7300087151580 + ... + 7300087151593.

It is an arithmetic number, because the mean of its divisors is an integer number (29200348606348).

Almost surely, 2^{102201220122211} is an apocalyptic number.

102201220122211 is a deficient number, since it is larger than the sum of its proper divisors (14600174303181).

102201220122211 is an equidigital number, since it uses as much as digits as its factorization.

102201220122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14600174303180.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102201220122211 its reverse (112221022102201), we get a palindrome (214422242224412).

The spelling of 102201220122211 in words is "one hundred two trillion, two hundred one billion, two hundred twenty million, one hundred twenty-two thousand, two hundred eleven".