111110021002 has 8 divisors (see below), whose sum is σ = 166682311812. Its totient is φ = 55549250400.

The previous prime is 111110020999. The next prime is 111110021051. The reversal of 111110021002 is 200120011111.

It can be written as a sum of positive squares in 2 ways, for example, as 85561515081 + 25548505921 = 292509^2 + 159839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111110021002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2855899 + ... + 2894542.

Almost surely, 2^111110021002 is an apocalyptic number.

111110021002 is a deficient number, since it is larger than the sum of its proper divisors (55572290810).

111110021002 is an equidigital number, since it uses as much as digits as its factorization.

111110021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760104.

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

Adding to 111110021002 its reverse (200120011111), we get a palindrome (311230032113).

The spelling of 111110021002 in words is "one hundred eleven billion, one hundred ten million, twenty-one thousand, two".