1131012112223 has 32 divisors (see below), whose sum is σ = 1328942039040. Its totient is φ = 942396950880.

The previous prime is 1131012112213. The next prime is 1131012112261. The reversal of 1131012112223 is 3222112101311.

It is not a de Polignac number, because 1131012112223 - 2¹⁸ = 1131011850079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131012112195 and 1131012112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131012112213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54346886 + ... + 54367692.

It is an arithmetic number, because the mean of its divisors is an integer number (41529438720).

Almost surely, 2^{1131012112223} is an apocalyptic number.

1131012112223 is a deficient number, since it is larger than the sum of its proper divisors (197929926817).

1131012112223 is a wasteful number, since it uses less digits than its factorization.

1131012112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21707.

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

Adding to 1131012112223 its reverse (3222112101311), we get a palindrome (4353124213534).

The spelling of 1131012112223 in words is "one trillion, one hundred thirty-one billion, twelve million, one hundred twelve thousand, two hundred twenty-three".