10122100220501 has 2 divisors, whose sum is σ = 10122100220502. Its totient is φ = 10122100220500.

The previous prime is 10122100220497. The next prime is 10122100220567. The reversal of 10122100220501 is 10502200122101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8917396412401 + 1204703808100 = 2986201^2 + 1097590^2 .

It is a cyclic number.

It is not a de Polignac number, because 10122100220501 - 2² = 10122100220497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10122100220501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10122100220581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061050110250 + 5061050110251.

It is an arithmetic number, because the mean of its divisors is an integer number (5061050110251).

Almost surely, 2^{10122100220501} is an apocalyptic number.

It is an amenable number.

10122100220501 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122100220501 is an equidigital number, since it uses as much as digits as its factorization.

10122100220501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 10122100220501 its reverse (10502200122101), we get a palindrome (20624300342602).

The spelling of 10122100220501 in words is "ten trillion, one hundred twenty-two billion, one hundred million, two hundred twenty thousand, five hundred one".