2230121231 has 4 divisors (see below), whose sum is σ = 2401669032. Its totient is φ = 2058573432.

The previous prime is 2230121213. The next prime is 2230121237. The reversal of 2230121231 is 1321210322.

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 2230121231 - 2¹⁴ = 2230104847 is a prime.

It is a super-2 number, since 2×2230121231² = 9946881409913910722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230121237) 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, 85773881 + ... + 85773906.

It is an arithmetic number, because the mean of its divisors is an integer number (600417258).

Almost surely, 2^2230121231 is an apocalyptic number.

2230121231 is a deficient number, since it is larger than the sum of its proper divisors (171547801).

2230121231 is a wasteful number, since it uses less digits than its factorization.

2230121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171547800.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2230121231 is about 47224.1593996124. The cubic root of 2230121231 is about 1306.5002307000.

Adding to 2230121231 its reverse (1321210322), we get a palindrome (3551331553).

The spelling of 2230121231 in words is "two billion, two hundred thirty million, one hundred twenty-one thousand, two hundred thirty-one".