102211111201111 has 16 divisors (see below), whose sum is σ = 112635817975296. Its totient is φ = 91975672900000.

The previous prime is 102211111201109. The next prime is 102211111201123. The reversal of 102211111201111 is 111102111112201.

It is a cyclic number.

It is not a de Polignac number, because 102211111201111 - 2¹ = 102211111201109 is a prime.

It is a super-2 number, since 2×102211111201111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211111201811) 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, 7416475 + ... + 16106716.

It is an arithmetic number, because the mean of its divisors is an integer number (7039738623456).

Almost surely, 2^{102211111201111} is an apocalyptic number.

102211111201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102211111201111 is a deficient number, since it is larger than the sum of its proper divisors (10424706774185).

102211111201111 is a wasteful number, since it uses less digits than its factorization.

102211111201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23527214.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 102211111201111 its reverse (111102111112201), we get a palindrome (213313222313312).

The spelling of 102211111201111 in words is "one hundred two trillion, two hundred eleven billion, one hundred eleven million, two hundred one thousand, one hundred eleven".