221133122023 has 12 divisors (see below), whose sum is σ = 243097916040. Its totient is φ = 201001795280.

The previous prime is 221133121999. The next prime is 221133122033. The reversal of 221133122023 is 320221331122.

It is not a de Polignac number, because 221133122023 - 2⁵ = 221133121991 is a prime.

It is a super-2 number, since 2×221133122023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221133121985 and 221133122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133122033) 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, 759093 + ... + 1009201.

It is an arithmetic number, because the mean of its divisors is an integer number (20258159670).

Almost surely, 2^221133122023 is an apocalyptic number.

221133122023 is a deficient number, since it is larger than the sum of its proper divisors (21964794017).

221133122023 is a wasteful number, since it uses less digits than its factorization.

221133122023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257438 (or 257427 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 221133122023 its reverse (320221331122), we get a palindrome (541354453145).

The spelling of 221133122023 in words is "two hundred twenty-one billion, one hundred thirty-three million, one hundred twenty-two thousand, twenty-three".