221122340412234 has 16 divisors (see below), whose sum is σ = 442244845353600. Its totient is φ = 73707419382560.

The previous prime is 221122340412223. The next prime is 221122340412251. The reversal of 221122340412234 is 432214043221122.

It is a junction number, because it is equal to n+sod(n) for n = 221122340412195 and 221122340412204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17003839 + ... + 27043949.

It is an arithmetic number, because the mean of its divisors is an integer number (27640302834600).

Almost surely, 2^{221122340412234} is an apocalyptic number.

221122340412234 is an abundant number, since it is smaller than the sum of its proper divisors (221122504941366).

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

221122340412234 is a wasteful number, since it uses less digits than its factorization.

221122340412234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13710765.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 221122340412234 its reverse (432214043221122), we get a palindrome (653336383633356).

The spelling of 221122340412234 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, three hundred forty million, four hundred twelve thousand, two hundred thirty-four".