211421040033 has 8 divisors (see below), whose sum is σ = 322165394368. Its totient is φ = 120812022864.

The previous prime is 211421040011. The next prime is 211421040049. The reversal of 211421040033 is 330040124112.

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

It is not a de Polignac number, because 211421040033 - 2⁵ = 211421040001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10067668573 = 211421040033 / (2 + 1 + 1 + 4 + 2 + 1 + 0 + 4 + 0 + 0 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211421039991 and 211421040009.

It is not an unprimeable number, because it can be changed into a prime (211421040533) 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, 5033834266 + ... + 5033834307.

It is an arithmetic number, because the mean of its divisors is an integer number (40270674296).

Almost surely, 2^211421040033 is an apocalyptic number.

It is an amenable number.

211421040033 is a deficient number, since it is larger than the sum of its proper divisors (110744354335).

211421040033 is a wasteful number, since it uses less digits than its factorization.

211421040033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067668583.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 211421040033 its reverse (330040124112), we get a palindrome (541461164145).

The spelling of 211421040033 in words is "two hundred eleven billion, four hundred twenty-one million, forty thousand, thirty-three".