221230242032122 has 16 divisors (see below), whose sum is σ = 338846600115432. Its totient is φ = 108303496139520.

The previous prime is 221230242032113. The next prime is 221230242032123.

It is a happy number.

221230242032122 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 194815463132161 + 26414778899961 = 13957631^2 + 5139531^2 .

It is not an unprimeable number, because it can be changed into a prime (221230242032123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5530183029 + ... + 5530223032.

Almost surely, 2^{221230242032122} is an apocalyptic number.

221230242032122 is a deficient number, since it is larger than the sum of its proper divisors (117616358083310).

221230242032122 is a wasteful number, since it uses less digits than its factorization.

221230242032122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11060406273.

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 221230242032122 in words is "two hundred twenty-one trillion, two hundred thirty billion, two hundred forty-two million, thirty-two thousand, one hundred twenty-two".