211421212033 has 2 divisors, whose sum is σ = 211421212034. Its totient is φ = 211421212032.

The previous prime is 211421211983. The next prime is 211421212043. The reversal of 211421212033 is 330212124112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115771423504 + 95649788529 = 340252^2 + 309273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211421212033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211421211995 and 211421212013.

It is not a weakly prime, because it can be changed into another prime (211421212043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105710606016 + 105710606017.

It is an arithmetic number, because the mean of its divisors is an integer number (105710606017).

Almost surely, 2^211421212033 is an apocalyptic number.

It is an amenable number.

211421212033 is a deficient number, since it is larger than the sum of its proper divisors (1).

211421212033 is an equidigital number, since it uses as much as digits as its factorization.

211421212033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211421212033 its reverse (330212124112), we get a palindrome (541633336145).

The spelling of 211421212033 in words is "two hundred eleven billion, four hundred twenty-one million, two hundred twelve thousand, thirty-three".