221110123023011 has 8 divisors (see below), whose sum is σ = 234117046371744. Its totient is φ = 208103249176960.

The previous prime is 221110123022983. The next prime is 221110123023047. The reversal of 221110123023011 is 110320321011122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221110123023011 - 2²⁶ = 221110055914147 is a prime.

It is a super-2 number, since 2×221110123023011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221110123023061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2975660 + ... + 21238521.

It is an arithmetic number, because the mean of its divisors is an integer number (29264630796468).

Almost surely, 2^{221110123023011} is an apocalyptic number.

221110123023011 is a deficient number, since it is larger than the sum of its proper divisors (13006923348733).

221110123023011 is a wasteful number, since it uses less digits than its factorization.

221110123023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24751341.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 221110123023011 its reverse (110320321011122), we get a palindrome (331430444034133).

The spelling of 221110123023011 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred twenty-three million, twenty-three thousand, eleven".