22001111110023 has 32 divisors (see below), whose sum is σ = 31037126653440. Its totient is φ = 13824322047360.

The previous prime is 22001111110009. The next prime is 22001111110031. The reversal of 22001111110023 is 32001111110022.

It is not a de Polignac number, because 22001111110023 - 2⁹ = 22001111109511 is a prime.

It is a super-2 number, since 2×22001111110023² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22001111109984 and 22001111110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001111110073) 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, 9382486 + ... + 11490572.

It is an arithmetic number, because the mean of its divisors is an integer number (969910207920).

Almost surely, 2^{22001111110023} is an apocalyptic number.

22001111110023 is a deficient number, since it is larger than the sum of its proper divisors (9036015543417).

22001111110023 is a wasteful number, since it uses less digits than its factorization.

22001111110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109047.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 22001111110023 its reverse (32001111110022), we get a palindrome (54002222220045).

Subtracting 22001111110023 from its reverse (32001111110022), we obtain a palindrome (9999999999999).

The spelling of 22001111110023 in words is "twenty-two trillion, one billion, one hundred eleven million, one hundred ten thousand, twenty-three".