2122420400533 has 2 divisors, whose sum is σ = 2122420400534. Its totient is φ = 2122420400532.

The previous prime is 2122420400519. The next prime is 2122420400539. The reversal of 2122420400533 is 3350040242212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2120990275044 + 1430125489 = 1456362^2 + 37817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122420400533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122420400539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061210200266 + 1061210200267.

It is an arithmetic number, because the mean of its divisors is an integer number (1061210200267).

Almost surely, 2^{2122420400533} is an apocalyptic number.

It is an amenable number.

2122420400533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122420400533 is an equidigital number, since it uses as much as digits as its factorization.

2122420400533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 2122420400533 its reverse (3350040242212), we get a palindrome (5472460642745).

The spelling of 2122420400533 in words is "two trillion, one hundred twenty-two billion, four hundred twenty million, four hundred thousand, five hundred thirty-three".