102221121211113 has 4 divisors (see below), whose sum is σ = 136294828281488. Its totient is φ = 68147414140740.

The previous prime is 102221121211091. The next prime is 102221121211117. The reversal of 102221121211113 is 311112121122201.

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 not a de Polignac number, because 102221121211113 - 2²⁶ = 102221054102249 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 102221121211113.

It is not an unprimeable number, because it can be changed into a prime (102221121211117) 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, 17036853535183 + ... + 17036853535188.

It is an arithmetic number, because the mean of its divisors is an integer number (34073707070372).

Almost surely, 2^{102221121211113} is an apocalyptic number.

It is an amenable number.

102221121211113 is a deficient number, since it is larger than the sum of its proper divisors (34073707070375).

102221121211113 is an equidigital number, since it uses as much as digits as its factorization.

102221121211113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34073707070374.

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 102221121211113 its reverse (311112121122201), we get a palindrome (413333242333314).

The spelling of 102221121211113 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred eleven thousand, one hundred thirteen".