33102141421 has 2 divisors, whose sum is σ = 33102141422. Its totient is φ = 33102141420.

The previous prime is 33102141367. The next prime is 33102141469. The reversal of 33102141421 is 12414120133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24091385796 + 9010755625 = 155214^2 + 94925^2 .

It is an emirp because it is prime and its reverse (12414120133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33102141421 - 2²¹ = 33100044269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33102141392 and 33102141401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37102141421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16551070710 + 16551070711.

It is an arithmetic number, because the mean of its divisors is an integer number (16551070711).

Almost surely, 2^33102141421 is an apocalyptic number.

It is an amenable number.

33102141421 is a deficient number, since it is larger than the sum of its proper divisors (1).

33102141421 is an equidigital number, since it uses as much as digits as its factorization.

33102141421 is an odious number, because the sum of its binary digits is odd.

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

Adding to 33102141421 its reverse (12414120133), we get a palindrome (45516261554).

The spelling of 33102141421 in words is "thirty-three billion, one hundred two million, one hundred forty-one thousand, four hundred twenty-one".