1111312321202 has 4 divisors (see below), whose sum is σ = 1666968481806. Its totient is φ = 555656160600.

The previous prime is 1111312321199. The next prime is 1111312321219. The reversal of 1111312321202 is 2021232131111.

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., 1040789676481 + 70522644721 = 1020191^2 + 265561^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277828080299 + ... + 277828080302.

Almost surely, 2^{1111312321202} is an apocalyptic number.

1111312321202 is a deficient number, since it is larger than the sum of its proper divisors (555656160604).

1111312321202 is an equidigital number, since it uses as much as digits as its factorization.

1111312321202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555656160603.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1111312321202 its reverse (2021232131111), we get a palindrome (3132544452313).

The spelling of 1111312321202 in words is "one trillion, one hundred eleven billion, three hundred twelve million, three hundred twenty-one thousand, two hundred two".