100011221020237 has 2 divisors, whose sum is σ = 100011221020238. Its totient is φ = 100011221020236.

The previous prime is 100011221020199. The next prime is 100011221020259. The reversal of 100011221020237 is 732020122110001.

It is an a-pointer prime, because the next prime (100011221020259) can be obtained adding 100011221020237 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74921731078756 + 25089489941481 = 8655734^2 + 5008941^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100011221020237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100011221020937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005610510118 + 50005610510119.

It is an arithmetic number, because the mean of its divisors is an integer number (50005610510119).

Almost surely, 2^{100011221020237} is an apocalyptic number.

It is an amenable number.

100011221020237 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011221020237 is an equidigital number, since it uses as much as digits as its factorization.

100011221020237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 100011221020237 its reverse (732020122110001), we get a palindrome (832031343130238).

The spelling of 100011221020237 in words is "one hundred trillion, eleven billion, two hundred twenty-one million, twenty thousand, two hundred thirty-seven".