100021331222413 has 2 divisors, whose sum is σ = 100021331222414. Its totient is φ = 100021331222412.

The previous prime is 100021331222387. The next prime is 100021331222437. The reversal of 100021331222413 is 314222133120001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96091790180164 + 3929541042249 = 9802642^2 + 1982307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100021331222413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021331222713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010665611206 + 50010665611207.

It is an arithmetic number, because the mean of its divisors is an integer number (50010665611207).

Almost surely, 2^{100021331222413} is an apocalyptic number.

It is an amenable number.

100021331222413 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021331222413 is an equidigital number, since it uses as much as digits as its factorization.

100021331222413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 100021331222413 its reverse (314222133120001), we get a palindrome (414243464342414).

The spelling of 100021331222413 in words is "one hundred trillion, twenty-one billion, three hundred thirty-one million, two hundred twenty-two thousand, four hundred thirteen".