153336122230021 has 2 divisors, whose sum is σ = 153336122230022. Its totient is φ = 153336122230020.

The previous prime is 153336122230013. The next prime is 153336122230133. The reversal of 153336122230021 is 120032221633351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110010436279396 + 43325685950625 = 10488586^2 + 6582225^2 .

It is a cyclic number.

It is not a de Polignac number, because 153336122230021 - 2³ = 153336122230013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153336122236021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76668061115010 + 76668061115011.

It is an arithmetic number, because the mean of its divisors is an integer number (76668061115011).

Almost surely, 2^{153336122230021} is an apocalyptic number.

It is an amenable number.

153336122230021 is a deficient number, since it is larger than the sum of its proper divisors (1).

153336122230021 is an equidigital number, since it uses as much as digits as its factorization.

153336122230021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 153336122230021 its reverse (120032221633351), we get a palindrome (273368343863372).

The spelling of 153336122230021 in words is "one hundred fifty-three trillion, three hundred thirty-six billion, one hundred twenty-two million, two hundred thirty thousand, twenty-one".