100420523611 has 2 divisors, whose sum is σ = 100420523612. Its totient is φ = 100420523610.

The previous prime is 100420523597. The next prime is 100420523627. The reversal of 100420523611 is 116325024001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100420523611 - 2⁵ = 100420523579 is a prime.

It is not a weakly prime, because it can be changed into another prime (100420521611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50210261805 + 50210261806.

It is an arithmetic number, because the mean of its divisors is an integer number (50210261806).

Almost surely, 2^100420523611 is an apocalyptic number.

100420523611 is a deficient number, since it is larger than the sum of its proper divisors (1).

100420523611 is an equidigital number, since it uses as much as digits as its factorization.

100420523611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 100420523611 its reverse (116325024001), we get a palindrome (216745547612).

The spelling of 100420523611 in words is "one hundred billion, four hundred twenty million, five hundred twenty-three thousand, six hundred eleven".