111210100001002 has 24 divisors (see below), whose sum is σ = 174818194955460. Its totient is φ = 53054801923200.

The previous prime is 111210100000931. The next prime is 111210100001027. The reversal of 111210100001002 is 200100001012111.

It can be written as a sum of positive squares in 2 ways, for example, as 70189392723921 + 41020707277081 = 8377911^2 + 6404741^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111210100001002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130639977 + ... + 131488492.

Almost surely, 2^{111210100001002} is an apocalyptic number.

111210100001002 is a deficient number, since it is larger than the sum of its proper divisors (63608094954458).

111210100001002 is a wasteful number, since it uses less digits than its factorization.

111210100001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262128918 (or 262128895 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111210100001002 its reverse (200100001012111), we get a palindrome (311310101013113).

The spelling of 111210100001002 in words is "one hundred eleven trillion, two hundred ten billion, one hundred million, one thousand, two".