4201211123 has 4 divisors (see below), whose sum is σ = 4210781520. Its totient is φ = 4191640728.

The previous prime is 4201211107. The next prime is 4201211141. The reversal of 4201211123 is 3211121024.

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 4201211123 - 2⁴ = 4201211107 is a prime.

It is a super-3 number, since 3×4201211123³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4201211153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4784540 + ... + 4785417.

It is an arithmetic number, because the mean of its divisors is an integer number (1052695380).

Almost surely, 2^4201211123 is an apocalyptic number.

4201211123 is a deficient number, since it is larger than the sum of its proper divisors (9570397).

4201211123 is an equidigital number, since it uses as much as digits as its factorization.

4201211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9570396.

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

The square root of 4201211123 is about 64816.7503273652. The cubic root of 4201211123 is about 1613.5837152901.

Adding to 4201211123 its reverse (3211121024), we get a palindrome (7412332147).

Subtracting from 4201211123 its reverse (3211121024), we obtain a palindrome (990090099).

It can be divided in two parts, 42012 and 11123, that added together give a palindrome (53135).

The spelling of 4201211123 in words is "four billion, two hundred one million, two hundred eleven thousand, one hundred twenty-three".