2231300111112 has 56 divisors (see below), whose sum is σ = 6272662108590. Its totient is φ = 743766701760.

The previous prime is 2231300111101. The next prime is 2231300111129. The reversal of 2231300111112 is 2111110031322.

It can be written as a sum of positive squares in only one way, i.e., 1473470665956 + 757829445156 = 1213866^2 + 870534^2 .

It is a super-3 number, since 3×2231300111112³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 191292189 + ... + 191303852.

Almost surely, 2^{2231300111112} is an apocalyptic number.

It is an amenable number.

2231300111112 is an abundant number, since it is smaller than the sum of its proper divisors (4041361997478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231300111112 is an equidigital number, since it uses as much as digits as its factorization.

2231300111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382596065 (or 382596046 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2231300111112 its reverse (2111110031322), we get a palindrome (4342410142434).

The spelling of 2231300111112 in words is "two trillion, two hundred thirty-one billion, three hundred million, one hundred eleven thousand, one hundred twelve".