11111022210023 has 4 divisors (see below), whose sum is σ = 11320664138568. Its totient is φ = 10901380281480.

The previous prime is 11111022210019. The next prime is 11111022210097. The reversal of 11111022210023 is 32001222011111.

It is a happy number.

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 11111022210023 - 2² = 11111022210019 is a prime.

It is a super-2 number, since 2×11111022210023² (a number of 27 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 = 11111022209983 and 11111022210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111022213023) 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 3 ways as a sum of consecutive naturals, for example, 104820964193 + ... + 104820964298.

It is an arithmetic number, because the mean of its divisors is an integer number (2830166034642).

Almost surely, 2^{11111022210023} is an apocalyptic number.

11111022210023 is a deficient number, since it is larger than the sum of its proper divisors (209641928545).

11111022210023 is an equidigital number, since it uses as much as digits as its factorization.

11111022210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209641928544.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11111022210023 its reverse (32001222011111), we get a palindrome (43112244221134).

The spelling of 11111022210023 in words is "eleven trillion, one hundred eleven billion, twenty-two million, two hundred ten thousand, twenty-three".