111222321010023 has 16 divisors (see below), whose sum is σ = 150253188624000. Its totient is φ = 73175254092000.

The previous prime is 111222321009977. The next prime is 111222321010049. The reversal of 111222321010023 is 320010123222111.

It is not a de Polignac number, because 111222321010023 - 2⁴² = 106824274498919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222321011023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677466573 + ... + 677630726.

It is an arithmetic number, because the mean of its divisors is an integer number (9390824289000).

Almost surely, 2^{111222321010023} is an apocalyptic number.

111222321010023 is a deficient number, since it is larger than the sum of its proper divisors (39030867613977).

111222321010023 is a wasteful number, since it uses less digits than its factorization.

111222321010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355097662.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111222321010023 its reverse (320010123222111), we get a palindrome (431232444232134).

The spelling of 111222321010023 in words is "one hundred eleven trillion, two hundred twenty-two billion, three hundred twenty-one million, ten thousand, twenty-three".