102210221011111 has 16 divisors (see below), whose sum is σ = 109550165324544. Its totient is φ = 95146773251904.

The previous prime is 102210221011109. The next prime is 102210221011121. The reversal of 102210221011111 is 111110122012201.

It is not a de Polignac number, because 102210221011111 - 2¹ = 102210221011109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210221011121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399433566 + ... + 399689371.

It is an arithmetic number, because the mean of its divisors is an integer number (6846885332784).

Almost surely, 2^{102210221011111} is an apocalyptic number.

102210221011111 is a deficient number, since it is larger than the sum of its proper divisors (7339944313433).

102210221011111 is an equidigital number, since it uses as much as digits as its factorization.

102210221011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799123110.

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

Adding to 102210221011111 its reverse (111110122012201), we get a palindrome (213320343023312).

The spelling of 102210221011111 in words is "one hundred two trillion, two hundred ten billion, two hundred twenty-one million, eleven thousand, one hundred eleven".