221313331133193 has 16 divisors (see below), whose sum is σ = 336476376746496. Its totient is φ = 128181476855040.

The previous prime is 221313331132997. The next prime is 221313331133201. The reversal of 221313331133193 is 391331133313122.

It is not a de Polignac number, because 221313331133193 - 2¹² = 221313331129097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (221313331133393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166902963993 + ... + 166902965318.

It is an arithmetic number, because the mean of its divisors is an integer number (21029773546656).

Almost surely, 2^{221313331133193} is an apocalyptic number.

It is an amenable number.

221313331133193 is a deficient number, since it is larger than the sum of its proper divisors (115163045613303).

221313331133193 is a wasteful number, since it uses less digits than its factorization.

221313331133193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333805929344.

The product of its digits is 78732, while the sum is 39.

The spelling of 221313331133193 in words is "two hundred twenty-one trillion, three hundred thirteen billion, three hundred thirty-one million, one hundred thirty-three thousand, one hundred ninety-three".