220021333151 has 2 divisors, whose sum is σ = 220021333152. Its totient is φ = 220021333150.

The previous prime is 220021333099. The next prime is 220021333153. The reversal of 220021333151 is 151333120022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220021333151 is a prime.

It is a Sophie Germain prime.

Together with 220021333153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220021333153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010666575 + 110010666576.

It is an arithmetic number, because the mean of its divisors is an integer number (110010666576).

Almost surely, 2^220021333151 is an apocalyptic number.

220021333151 is a deficient number, since it is larger than the sum of its proper divisors (1).

220021333151 is an equidigital number, since it uses as much as digits as its factorization.

220021333151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 220021333151 its reverse (151333120022), we get a palindrome (371354453173).

The spelling of 220021333151 in words is "two hundred twenty billion, twenty-one million, three hundred thirty-three thousand, one hundred fifty-one".