102222201221011 has 4 divisors (see below), whose sum is σ = 102222221477400. Its totient is φ = 102222180964624.

The previous prime is 102222201220963. The next prime is 102222201221033. The reversal of 102222201221011 is 110122102222201.

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 102222201221011 - 2⁹ = 102222201220499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102222201221011.

It is not an unprimeable number, because it can be changed into a prime (102222201321011) 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, 4166460 + ... + 14893078.

It is an arithmetic number, because the mean of its divisors is an integer number (25555555369350).

Almost surely, 2^{102222201221011} is an apocalyptic number.

102222201221011 is a deficient number, since it is larger than the sum of its proper divisors (20256389).

102222201221011 is an equidigital number, since it uses as much as digits as its factorization.

102222201221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20256388.

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

Adding to 102222201221011 its reverse (110122102222201), we get a palindrome (212344303443212).

The spelling of 102222201221011 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, eleven".