230011421221 has 4 divisors (see below), whose sum is σ = 230013310432. Its totient is φ = 230009532012.

The previous prime is 230011421207. The next prime is 230011421327. The reversal of 230011421221 is 122124110032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230011421221 - 2²³ = 230003032613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230011421621) 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, 748395 + ... + 1010008.

It is an arithmetic number, because the mean of its divisors is an integer number (57503327608).

Almost surely, 2^230011421221 is an apocalyptic number.

It is an amenable number.

230011421221 is a deficient number, since it is larger than the sum of its proper divisors (1889211).

230011421221 is a wasteful number, since it uses less digits than its factorization.

230011421221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889210.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 230011421221 its reverse (122124110032), we get a palindrome (352135531253).

The spelling of 230011421221 in words is "two hundred thirty billion, eleven million, four hundred twenty-one thousand, two hundred twenty-one".