22021203233149 has 2 divisors, whose sum is σ = 22021203233150. Its totient is φ = 22021203233148.

The previous prime is 22021203233131. The next prime is 22021203233221. The reversal of 22021203233149 is 94133230212022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17728773408025 + 4292429825124 = 4210555^2 + 2071818^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021203233149 - 2¹¹ = 22021203231101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021203233749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010601616574 + 11010601616575.

It is an arithmetic number, because the mean of its divisors is an integer number (11010601616575).

Almost surely, 2^{22021203233149} is an apocalyptic number.

It is an amenable number.

22021203233149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021203233149 is an equidigital number, since it uses as much as digits as its factorization.

22021203233149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 22021203233149 in words is "twenty-two trillion, twenty-one billion, two hundred three million, two hundred thirty-three thousand, one hundred forty-nine".