201421233311 has 8 divisors (see below), whose sum is σ = 202399207920. Its totient is φ = 200444956992.

The previous prime is 201421233271. The next prime is 201421233313. The reversal of 201421233311 is 113332124102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201421233311 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 (201421233313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186470 + ... + 661523.

It is an arithmetic number, because the mean of its divisors is an integer number (25299900990).

Almost surely, 2^201421233311 is an apocalyptic number.

201421233311 is a deficient number, since it is larger than the sum of its proper divisors (977974609).

201421233311 is an equidigital number, since it uses as much as digits as its factorization.

201421233311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849145.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 201421233311 its reverse (113332124102), we get a palindrome (314753357413).

The spelling of 201421233311 in words is "two hundred one billion, four hundred twenty-one million, two hundred thirty-three thousand, three hundred eleven".