2220111023 has 4 divisors (see below), whose sum is σ = 2390888808. Its totient is φ = 2049333240.

The previous prime is 2220111017. The next prime is 2220111053. The reversal of 2220111023 is 3201110222.

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 2220111023 - 2¹⁰ = 2220109999 is a prime.

It is a super-2 number, since 2×2220111023² = 9857785908892213058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220110989 and 2220111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220111053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85388873 + ... + 85388898.

It is an arithmetic number, because the mean of its divisors is an integer number (597722202).

Almost surely, 2^2220111023 is an apocalyptic number.

2220111023 is a deficient number, since it is larger than the sum of its proper divisors (170777785).

2220111023 is a wasteful number, since it uses less digits than its factorization.

2220111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170777784.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2220111023 is about 47118.0541088021. The cubic root of 2220111023 is about 1304.5424961755.

Adding to 2220111023 its reverse (3201110222), we get a palindrome (5421221245).

The spelling of 2220111023 in words is "two billion, two hundred twenty million, one hundred eleven thousand, twenty-three".