221211132022042 has 8 divisors (see below), whose sum is σ = 336362132252916. Its totient is φ = 109090421271072.

The previous prime is 221211132022037. The next prime is 221211132022051. The reversal of 221211132022042 is 240220231112122.

221211132022042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 221135309443161 + 75822578881 = 14870619^2 + 275359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 221211132021998 and 221211132022016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757572369793 + ... + 757572370084.

Almost surely, 2^{221211132022042} is an apocalyptic number.

221211132022042 is a deficient number, since it is larger than the sum of its proper divisors (115151000230874).

221211132022042 is a wasteful number, since it uses less digits than its factorization.

221211132022042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515144739952.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 221211132022042 its reverse (240220231112122), we get a palindrome (461431363134164).

The spelling of 221211132022042 in words is "two hundred twenty-one trillion, two hundred eleven billion, one hundred thirty-two million, twenty-two thousand, forty-two".