11112211102 has 32 divisors (see below), whose sum is σ = 17287142400. Its totient is φ = 5353840800.

The previous prime is 11112211093. The next prime is 11112211127. The reversal of 11112211102 is 20111221111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1932043 + ... + 1937785.

It is an arithmetic number, because the mean of its divisors is an integer number (540223200).

Almost surely, 2^11112211102 is an apocalyptic number.

11112211102 is a deficient number, since it is larger than the sum of its proper divisors (6174931298).

11112211102 is a wasteful number, since it uses less digits than its factorization.

11112211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6088.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11112211102 its reverse (20111221111), we get a palindrome (31223432213).

The spelling of 11112211102 in words is "eleven billion, one hundred twelve million, two hundred eleven thousand, one hundred two".