221234352304311 has 12 divisors (see below), whose sum is σ = 319562309167920. Its totient is φ = 147488839866720.

The previous prime is 221234352304309. The next prime is 221234352304387. The reversal of 221234352304311 is 113403253432122.

221234352304311 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 3 + 4 + 35 + 2 + 304 + 311 = 666.

It is not a de Polignac number, because 221234352304311 - 2¹ = 221234352304309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221234352304111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58767691 + ... + 62418828.

It is an arithmetic number, because the mean of its divisors is an integer number (26630192430660).

Almost surely, 2^{221234352304311} is an apocalyptic number.

221234352304311 is a deficient number, since it is larger than the sum of its proper divisors (98327956863609).

221234352304311 is a wasteful number, since it uses less digits than its factorization.

221234352304311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121389366 (or 121389363 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 221234352304311 in words is "two hundred twenty-one trillion, two hundred thirty-four billion, three hundred fifty-two million, three hundred four thousand, three hundred eleven".