111010221023 has 8 divisors (see below), whose sum is σ = 119555870448. Its totient is φ = 102465486144.

The previous prime is 111010221019. The next prime is 111010221041. The reversal of 111010221023 is 320122010111.

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 111010221023 - 2² = 111010221019 is a prime.

It is a super-2 number, since 2×111010221023² (a number of 23 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 = 111010220989 and 111010221007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010221043) 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, 34715 + ... + 472467.

It is an arithmetic number, because the mean of its divisors is an integer number (14944483806).

Almost surely, 2^111010221023 is an apocalyptic number.

111010221023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111010221023 is a deficient number, since it is larger than the sum of its proper divisors (8545649425).

111010221023 is a wasteful number, since it uses less digits than its factorization.

111010221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457273.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111010221023 its reverse (320122010111), we get a palindrome (431132231134).

The spelling of 111010221023 in words is "one hundred eleven billion, ten million, two hundred twenty-one thousand, twenty-three".