211421212233 has 48 divisors (see below), whose sum is σ = 359305922304. Its totient is φ = 109345182240.

The previous prime is 211421212217. The next prime is 211421212267. The reversal of 211421212233 is 332212124112.

It is not a de Polignac number, because 211421212233 - 2⁴ = 211421212217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211421212213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79066 + ... + 655052.

It is an arithmetic number, because the mean of its divisors is an integer number (7485540048).

Almost surely, 2^211421212233 is an apocalyptic number.

It is an amenable number.

211421212233 is a deficient number, since it is larger than the sum of its proper divisors (147884710071).

211421212233 is a wasteful number, since it uses less digits than its factorization.

211421212233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576242 (or 576235 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 211421212233 its reverse (332212124112), we get a palindrome (543633336345).

The spelling of 211421212233 in words is "two hundred eleven billion, four hundred twenty-one million, two hundred twelve thousand, two hundred thirty-three".