4221101123 has 4 divisors (see below), whose sum is σ = 4443264360. Its totient is φ = 3998937888.

The previous prime is 4221101117. The next prime is 4221101141. The reversal of 4221101123 is 3211011224.

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 4221101123 - 2²² = 4216906819 is a prime.

It is a super-2 number, since 2×4221101123² = 35635389381183722258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221101153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111081590 + ... + 111081627.

It is an arithmetic number, because the mean of its divisors is an integer number (1110816090).

Almost surely, 2^4221101123 is an apocalyptic number.

4221101123 is a deficient number, since it is larger than the sum of its proper divisors (222163237).

4221101123 is a wasteful number, since it uses less digits than its factorization.

4221101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222163236.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 4221101123 is about 64970.0017161767. The cubic root of 4221101123 is about 1616.1261301323.

Adding to 4221101123 its reverse (3211011224), we get a palindrome (7432112347).

It can be divided in two parts, 4221101 and 123, that added together give a palindrome (4221224).

The spelling of 4221101123 in words is "four billion, two hundred twenty-one million, one hundred one thousand, one hundred twenty-three".