11101231102 has 12 divisors (see below), whose sum is σ = 18031290120. Its totient is φ = 5123644968.

The previous prime is 11101231091. The next prime is 11101231111. The reversal of 11101231102 is 20113210111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16421602 + ... + 16422277.

It is an arithmetic number, because the mean of its divisors is an integer number (1502607510).

Almost surely, 2^11101231102 is an apocalyptic number.

11101231102 is a deficient number, since it is larger than the sum of its proper divisors (6930059018).

11101231102 is a wasteful number, since it uses less digits than its factorization.

11101231102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32843907 (or 32843894 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11101231102 its reverse (20113210111), we get a palindrome (31214441213).

The spelling of 11101231102 in words is "eleven billion, one hundred one million, two hundred thirty-one thousand, one hundred two".