102022222111 has 64 divisors (see below), whose sum is σ = 116902673280. Its totient is φ = 88562073600.

The previous prime is 102022222109. The next prime is 102022222129. The reversal of 102022222111 is 111222220201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102022222111 - 2¹ = 102022222109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022225111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 176814655 + ... + 176815231.

It is an arithmetic number, because the mean of its divisors is an integer number (1826604270).

Almost surely, 2^102022222111 is an apocalyptic number.

102022222111 is a deficient number, since it is larger than the sum of its proper divisors (14880451169).

102022222111 is a wasteful number, since it uses less digits than its factorization.

102022222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102022222111 its reverse (111222220201), we get a palindrome (213244442312).

The spelling of 102022222111 in words is "one hundred two billion, twenty-two million, two hundred twenty-two thousand, one hundred eleven".