221001221211093 has 24 divisors (see below), whose sum is σ = 322636068151488. Its totient is φ = 145760481199872.

The previous prime is 221001221211077. The next prime is 221001221211137. The reversal of 221001221211093 is 390112122100122.

221001221211093 is a `hidden beast` number, since 221 + 0 + 0 + 1 + 221 + 211 + 0 + 9 + 3 = 666.

It is not a de Polignac number, because 221001221211093 - 2⁴ = 221001221211077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221001221211193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45206455 + ... + 49856052.

It is an arithmetic number, because the mean of its divisors is an integer number (13443169506312).

Almost surely, 2^{221001221211093} is an apocalyptic number.

It is an amenable number.

221001221211093 is a deficient number, since it is larger than the sum of its proper divisors (101634846940395).

221001221211093 is a wasteful number, since it uses less digits than its factorization.

221001221211093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95065273 (or 95065270 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 221001221211093 in words is "two hundred twenty-one trillion, one billion, two hundred twenty-one million, two hundred eleven thousand, ninety-three".