221133320120999 has 32 divisors (see below), whose sum is σ = 269949394219008. Its totient is φ = 178391134080000.

The previous prime is 221133320120983. The next prime is 221133320121059. The reversal of 221133320120999 is 999021023331122.

It is a cyclic number.

It is not a de Polignac number, because 221133320120999 - 2⁴ = 221133320120983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133320120099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164507594 + ... + 165846359.

It is an arithmetic number, because the mean of its divisors is an integer number (8435918569344).

Almost surely, 2^{221133320120999} is an apocalyptic number.

221133320120999 is a deficient number, since it is larger than the sum of its proper divisors (48816074098009).

221133320120999 is a wasteful number, since it uses less digits than its factorization.

221133320120999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330354159.

The product of its (nonzero) digits is 314928, while the sum is 47.

The spelling of 221133320120999 in words is "two hundred twenty-one trillion, one hundred thirty-three billion, three hundred twenty million, one hundred twenty thousand, nine hundred ninety-nine".