211421401433 has 8 divisors (see below), whose sum is σ = 231325929120. Its totient is φ = 191630940480.

The previous prime is 211421401423. The next prime is 211421401463. The reversal of 211421401433 is 334104124112.

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

It is a cyclic number.

It is not a de Polignac number, because 211421401433 - 2¹⁰ = 211421400409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211421401423) 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, 28512803 + ... + 28520216.

It is an arithmetic number, because the mean of its divisors is an integer number (28915741140).

Almost surely, 2^211421401433 is an apocalyptic number.

It is an amenable number.

211421401433 is a deficient number, since it is larger than the sum of its proper divisors (19904527687).

211421401433 is a wasteful number, since it uses less digits than its factorization.

211421401433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57033367.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 211421401433 its reverse (334104124112), we get a palindrome (545525525545).

The spelling of 211421401433 in words is "two hundred eleven billion, four hundred twenty-one million, four hundred one thousand, four hundred thirty-three".