111130031002 has 4 divisors (see below), whose sum is σ = 166695046506. Its totient is φ = 55565015500.

The previous prime is 111130030997. The next prime is 111130031011. The reversal of 111130031002 is 200130031111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 98753691001 + 12376340001 = 314251^2 + 111249^2 .

It is a super-2 number, since 2×111130031002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27782507749 + ... + 27782507752.

Almost surely, 2^111130031002 is an apocalyptic number.

111130031002 is a deficient number, since it is larger than the sum of its proper divisors (55565015504).

111130031002 is an equidigital number, since it uses as much as digits as its factorization.

111130031002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55565015503.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 111130031002 its reverse (200130031111), we get a palindrome (311260062113).

The spelling of 111130031002 in words is "one hundred eleven billion, one hundred thirty million, thirty-one thousand, two".