102201102211 has 4 divisors (see below), whose sum is σ = 110062725472. Its totient is φ = 94339478952.

The previous prime is 102201102181. The next prime is 102201102221. The reversal of 102201102211 is 112201102201.

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 102201102211 - 2⁹ = 102201101699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 7861623247 = 102201102211 / (1 + 0 + 2 + 2 + 0 + 1 + 1 + 0 + 2 + 2 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102201102191 and 102201102200.

It is not an unprimeable number, because it can be changed into a prime (102201102221) 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, 3930811611 + ... + 3930811636.

It is an arithmetic number, because the mean of its divisors is an integer number (27515681368).

Almost surely, 2^102201102211 is an apocalyptic number.

102201102211 is a deficient number, since it is larger than the sum of its proper divisors (7861623261).

102201102211 is an equidigital number, since it uses as much as digits as its factorization.

102201102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7861623260.

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

Adding to 102201102211 its reverse (112201102201), we get a palindrome (214402204412).

The spelling of 102201102211 in words is "one hundred two billion, two hundred one million, one hundred two thousand, two hundred eleven".