111231130111202 has 8 divisors (see below), whose sum is σ = 166869009846876. Its totient is φ = 55608126828912.

The previous prime is 111231130111177. The next prime is 111231130111253. The reversal of 111231130111202 is 202111031132111.

It can be written as a sum of positive squares in 2 ways, for example, as 90684500711281 + 20546629399921 = 9522841^2 + 4532839^2 .

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

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, 3719094653 + ... + 3719124560.

Almost surely, 2^{111231130111202} is an apocalyptic number.

111231130111202 is a deficient number, since it is larger than the sum of its proper divisors (55637879735674).

111231130111202 is an equidigital number, since it uses as much as digits as its factorization.

111231130111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7438226692.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 111231130111202 its reverse (202111031132111), we get a palindrome (313342161243313).

The spelling of 111231130111202 in words is "one hundred eleven trillion, two hundred thirty-one billion, one hundred thirty million, one hundred eleven thousand, two hundred two".