11112111021023 has 8 divisors (see below), whose sum is σ = 11294452681680. Its totient is φ = 10929775034880.

The previous prime is 11112111021019. The next prime is 11112111021073. The reversal of 11112111021023 is 32012011121111.

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 11112111021023 - 2² = 11112111021019 is a prime.

It is a super-2 number, since 2×11112111021023² (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 = 11112111020992 and 11112111021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112111021073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2623736 + ... + 5395202.

It is an arithmetic number, because the mean of its divisors is an integer number (1411806585210).

Almost surely, 2^{11112111021023} is an apocalyptic number.

11112111021023 is a deficient number, since it is larger than the sum of its proper divisors (182341660657).

11112111021023 is an equidigital number, since it uses as much as digits as its factorization.

11112111021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837257.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11112111021023 its reverse (32012011121111), we get a palindrome (43124122142134).

The spelling of 11112111021023 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, twenty-one thousand, twenty-three".