11311120102 has 16 divisors (see below), whose sum is σ = 18544228992. Its totient is φ = 5151173760.

The previous prime is 11311120099. The next prime is 11311120103. The reversal of 11311120102 is 20102111311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311120103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5364753 + ... + 5366860.

It is an arithmetic number, because the mean of its divisors is an integer number (1159014312).

Almost surely, 2^11311120102 is an apocalyptic number.

11311120102 is a deficient number, since it is larger than the sum of its proper divisors (7233108890).

11311120102 is a wasteful number, since it uses less digits than its factorization.

11311120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10731663.

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

Adding to 11311120102 its reverse (20102111311), we get a palindrome (31413231413).

The spelling of 11311120102 in words is "eleven billion, three hundred eleven million, one hundred twenty thousand, one hundred two".