102221122111 has 8 divisors (see below), whose sum is σ = 108800803584. Its totient is φ = 95704404480.

The previous prime is 102221122103. The next prime is 102221122127. The reversal of 102221122111 is 111221122201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102221122111 - 2³ = 102221122103 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 (102221122511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15737610 + ... + 15744103.

It is an arithmetic number, because the mean of its divisors is an integer number (13600100448).

Almost surely, 2^102221122111 is an apocalyptic number.

102221122111 is a deficient number, since it is larger than the sum of its proper divisors (6579681473).

102221122111 is a wasteful number, since it uses less digits than its factorization.

102221122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31481921.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102221122111 its reverse (111221122201), we get a palindrome (213442244312).

The spelling of 102221122111 in words is "one hundred two billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred eleven".