2221011023 has 48 divisors (see below), whose sum is σ = 3038784000. Its totient is φ = 1582701120.

The previous prime is 2221011007. The next prime is 2221011029. The reversal of 2221011023 is 3201101222.

It is a happy number.

It is not a de Polignac number, because 2221011023 - 2⁴ = 2221011007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221010989 and 2221011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221011029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 464318 + ... + 469076.

It is an arithmetic number, because the mean of its divisors is an integer number (63308000).

Almost surely, 2^2221011023 is an apocalyptic number.

2221011023 is a deficient number, since it is larger than the sum of its proper divisors (817772977).

2221011023 is a wasteful number, since it uses less digits than its factorization.

2221011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836 (or 4825 counting only the distinct ones).

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

The square root of 2221011023 is about 47127.6036203837. The cubic root of 2221011023 is about 1304.7187530710.

Adding to 2221011023 its reverse (3201101222), we get a palindrome (5422112245).

It can be divided in two parts, 22210 and 11023, that added together give a palindrome (33233).

The spelling of 2221011023 in words is "two billion, two hundred twenty-one million, eleven thousand, twenty-three".