223111432131112 has 24 divisors (see below), whose sum is σ = 486633353246010. Its totient is φ = 95619185198880.

The previous prime is 223111432131079. The next prime is 223111432131143. The reversal of 223111432131112 is 211131234111322.

It can be written as a sum of positive squares in only one way, i.e., 221727764556676 + 1383667574436 = 14890526^2 + 1176294^2 .

It is a super-3 number, since 3×223111432131112³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 284580907939 + ... + 284580908722.

Almost surely, 2^{223111432131112} is an apocalyptic number.

It is an amenable number.

223111432131112 is an abundant number, since it is smaller than the sum of its proper divisors (263521921114898).

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

223111432131112 is a wasteful number, since it uses less digits than its factorization.

223111432131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569161816681 (or 569161816670 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

Adding to 223111432131112 its reverse (211131234111322), we get a palindrome (434242666242434).

The spelling of 223111432131112 in words is "two hundred twenty-three trillion, one hundred eleven billion, four hundred thirty-two million, one hundred thirty-one thousand, one hundred twelve".