102220222211 has 2 divisors, whose sum is σ = 102220222212. Its totient is φ = 102220222210.

The previous prime is 102220222207. The next prime is 102220222261. The reversal of 102220222211 is 112222022201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102220222211 - 2² = 102220222207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102220222211.

It is not a weakly prime, because it can be changed into another prime (102220222261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110111105 + 51110111106.

It is an arithmetic number, because the mean of its divisors is an integer number (51110111106).

Almost surely, 2^102220222211 is an apocalyptic number.

102220222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220222211 is an equidigital number, since it uses as much as digits as its factorization.

102220222211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102220222211 its reverse (112222022201), we get a palindrome (214442244412).

The spelling of 102220222211 in words is "one hundred two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred eleven".