221343301234 has 16 divisors (see below), whose sum is σ = 365784253056. Its totient is φ = 99614446000.

The previous prime is 221343301217. The next prime is 221343301253. The reversal of 221343301234 is 432103343122.

It is a happy number.

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, 49805002 + ... + 49809445.

It is an arithmetic number, because the mean of its divisors is an integer number (22861515816).

Almost surely, 2^221343301234 is an apocalyptic number.

221343301234 is a deficient number, since it is larger than the sum of its proper divisors (144440951822).

221343301234 is a wasteful number, since it uses less digits than its factorization.

221343301234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99614561.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 221343301234 its reverse (432103343122), we get a palindrome (653446644356).

The spelling of 221343301234 in words is "two hundred twenty-one billion, three hundred forty-three million, three hundred one thousand, two hundred thirty-four".