100402011397 has 2 divisors, whose sum is σ = 100402011398. Its totient is φ = 100402011396.

The previous prime is 100402011317. The next prime is 100402011547. The reversal of 100402011397 is 793110204001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85634657956 + 14767353441 = 292634^2 + 121521^2 .

It is a cyclic number.

It is not a de Polignac number, because 100402011397 - 2¹⁵ = 100401978629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100402011317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50201005698 + 50201005699.

It is an arithmetic number, because the mean of its divisors is an integer number (50201005699).

Almost surely, 2^100402011397 is an apocalyptic number.

It is an amenable number.

100402011397 is a deficient number, since it is larger than the sum of its proper divisors (1).

100402011397 is an equidigital number, since it uses as much as digits as its factorization.

100402011397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 100402011397 its reverse (793110204001), we get a palindrome (893512215398).

The spelling of 100402011397 in words is "one hundred billion, four hundred two million, eleven thousand, three hundred ninety-seven".