23330212221091 has 4 divisors (see below), whose sum is σ = 23336168368032. Its totient is φ = 23324256074152.

The previous prime is 23330212221077. The next prime is 23330212221133. The reversal of 23330212221091 is 19012221203332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23330212221091 - 2⁵ = 23330212221059 is a prime.

It is a super-2 number, since 2×23330212221091² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23330212221061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2978067595 + ... + 2978075428.

It is an arithmetic number, because the mean of its divisors is an integer number (5834042092008).

Almost surely, 2^{23330212221091} is an apocalyptic number.

23330212221091 is a deficient number, since it is larger than the sum of its proper divisors (5956146941).

23330212221091 is an equidigital number, since it uses as much as digits as its factorization.

23330212221091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5956146940.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 23330212221091 in words is "twenty-three trillion, three hundred thirty billion, two hundred twelve million, two hundred twenty-one thousand, ninety-one".