102221011011111 has 32 divisors (see below), whose sum is σ = 142714475285760. Its totient is φ = 64995012386304.

The previous prime is 102221011011101. The next prime is 102221011011127. The reversal of 102221011011111 is 111110110122201.

It is not a de Polignac number, because 102221011011111 - 2⁴² = 97822964500007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221011011101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47597256 + ... + 49698498.

It is an arithmetic number, because the mean of its divisors is an integer number (4459827352680).

Almost surely, 2^{102221011011111} is an apocalyptic number.

102221011011111 is a deficient number, since it is larger than the sum of its proper divisors (40493464274649).

102221011011111 is a wasteful number, since it uses less digits than its factorization.

102221011011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108095.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 102221011011111 its reverse (111110110122201), we get a palindrome (213331121133312).

The spelling of 102221011011111 in words is "one hundred two trillion, two hundred twenty-one billion, eleven million, eleven thousand, one hundred eleven".