100402011811 has 2 divisors, whose sum is σ = 100402011812. Its totient is φ = 100402011810.

The previous prime is 100402011791. The next prime is 100402011817. The reversal of 100402011811 is 118110204001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100402011811 - 2⁵ = 100402011779 is a prime.

It is not a weakly prime, because it can be changed into another prime (100402011817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50201005905 + 50201005906.

It is an arithmetic number, because the mean of its divisors is an integer number (50201005906).

Almost surely, 2^100402011811 is an apocalyptic number.

100402011811 is a deficient number, since it is larger than the sum of its proper divisors (1).

100402011811 is an equidigital number, since it uses as much as digits as its factorization.

100402011811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 100402011811 its reverse (118110204001), we get a palindrome (218512215812).

The spelling of 100402011811 in words is "one hundred billion, four hundred two million, eleven thousand, eight hundred eleven".