221112133231114 has 4 divisors (see below), whose sum is σ = 331668199846674. Its totient is φ = 110556066615556.

The previous prime is 221112133231111. The next prime is 221112133231147. The reversal of 221112133231114 is 411132331211122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 178975352279889 + 42136780951225 = 13378167^2 + 6491285^2 .

It is not an unprimeable number, because it can be changed into a prime (221112133231111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55278033307777 + ... + 55278033307780.

Almost surely, 2^{221112133231114} is an apocalyptic number.

221112133231114 is a deficient number, since it is larger than the sum of its proper divisors (110556066615560).

221112133231114 is a wasteful number, since it uses less digits than its factorization.

221112133231114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110556066615559.

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

Adding to 221112133231114 its reverse (411132331211122), we get a palindrome (632244464442236).

The spelling of 221112133231114 in words is "two hundred twenty-one trillion, one hundred twelve billion, one hundred thirty-three million, two hundred thirty-one thousand, one hundred fourteen".