221112023432 has 8 divisors (see below), whose sum is σ = 414585043950. Its totient is φ = 110556011712.

The previous prime is 221112023413. The next prime is 221112023437. The reversal of 221112023432 is 234320211122.

It can be written as a sum of positive squares in only one way, i.e., 155004414436 + 66107608996 = 393706^2 + 257114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 221112023398 and 221112023407.

It is not an unprimeable number, because it can be changed into a prime (221112023437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13819501457 + ... + 13819501472.

Almost surely, 2^221112023432 is an apocalyptic number.

It is an amenable number.

221112023432 is a deficient number, since it is larger than the sum of its proper divisors (193473020518).

221112023432 is a wasteful number, since it uses less digits than its factorization.

221112023432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27639002935 (or 27639002931 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 221112023432 its reverse (234320211122), we get a palindrome (455432234554).

The spelling of 221112023432 in words is "two hundred twenty-one billion, one hundred twelve million, twenty-three thousand, four hundred thirty-two".