20223121241501 has 2 divisors, whose sum is σ = 20223121241502. Its totient is φ = 20223121241500.

The previous prime is 20223121241473. The next prime is 20223121241507. The reversal of 20223121241501 is 10514212132202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12285936316900 + 7937184924601 = 3505130^2 + 2817301^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223121241501 - 2³⁰ = 20222047499677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20223121241507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111560620750 + 10111560620751.

It is an arithmetic number, because the mean of its divisors is an integer number (10111560620751).

Almost surely, 2^{20223121241501} is an apocalyptic number.

It is an amenable number.

20223121241501 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223121241501 is an equidigital number, since it uses as much as digits as its factorization.

20223121241501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 20223121241501 its reverse (10514212132202), we get a palindrome (30737333373703).

The spelling of 20223121241501 in words is "twenty trillion, two hundred twenty-three billion, one hundred twenty-one million, two hundred forty-one thousand, five hundred one".