1103312111202 has 48 divisors (see below), whose sum is σ = 2852099341920. Its totient is φ = 315232031016.

The previous prime is 1103312111197. The next prime is 1103312111203. The reversal of 1103312111202 is 2021112133011.

1103312111202 is a `hidden beast` number, since 1 + 1 + 0 + 331 + 211 + 120 + 2 = 666.

It is a super-2 number, since 2×1103312111202² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1103312111203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208484148 + ... + 208489439.

It is an arithmetic number, because the mean of its divisors is an integer number (59418736290).

Almost surely, 2^{1103312111202} is an apocalyptic number.

1103312111202 is an abundant number, since it is smaller than the sum of its proper divisors (1748787230718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103312111202 is a wasteful number, since it uses less digits than its factorization.

1103312111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416973612 (or 416973599 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1103312111202 its reverse (2021112133011), we get a palindrome (3124424244213).

The spelling of 1103312111202 in words is "one trillion, one hundred three billion, three hundred twelve million, one hundred eleven thousand, two hundred two".