100222111001501 has 2 divisors, whose sum is σ = 100222111001502. Its totient is φ = 100222111001500.

The previous prime is 100222111001477. The next prime is 100222111001513. The reversal of 100222111001501 is 105100111222001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56466598109476 + 43755512892025 = 7514426^2 + 6614795^2 .

It is a cyclic number.

It is not a de Polignac number, because 100222111001501 - 2¹⁰ = 100222111000477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100222111001501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100222111001581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50111055500750 + 50111055500751.

It is an arithmetic number, because the mean of its divisors is an integer number (50111055500751).

Almost surely, 2^{100222111001501} is an apocalyptic number.

It is an amenable number.

100222111001501 is a deficient number, since it is larger than the sum of its proper divisors (1).

100222111001501 is an equidigital number, since it uses as much as digits as its factorization.

100222111001501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 100222111001501 its reverse (105100111222001), we get a palindrome (205322222223502).

The spelling of 100222111001501 in words is "one hundred trillion, two hundred twenty-two billion, one hundred eleven million, one thousand, five hundred one".