20220212210501 has 2 divisors, whose sum is σ = 20220212210502. Its totient is φ = 20220212210500.

The previous prime is 20220212210459. The next prime is 20220212210507. The reversal of 20220212210501 is 10501221202202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20006029296100 + 214182914401 = 4472810^2 + 462799^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220212210501 - 2⁶ = 20220212210437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220212210507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110106105250 + 10110106105251.

It is an arithmetic number, because the mean of its divisors is an integer number (10110106105251).

Almost surely, 2^{20220212210501} is an apocalyptic number.

It is an amenable number.

20220212210501 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220212210501 is an equidigital number, since it uses as much as digits as its factorization.

20220212210501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 20220212210501 its reverse (10501221202202), we get a palindrome (30721433412703).

The spelling of 20220212210501 in words is "twenty trillion, two hundred twenty billion, two hundred twelve million, two hundred ten thousand, five hundred one".