100421722913903 has 2 divisors, whose sum is σ = 100421722913904. Its totient is φ = 100421722913902.

The previous prime is 100421722913899. The next prime is 100421722913957. The reversal of 100421722913903 is 309319227124001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100421722913903 - 2² = 100421722913899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100421722913003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50210861456951 + 50210861456952.

It is an arithmetic number, because the mean of its divisors is an integer number (50210861456952).

Almost surely, 2^{100421722913903} is an apocalyptic number.

100421722913903 is a deficient number, since it is larger than the sum of its proper divisors (1).

100421722913903 is an equidigital number, since it uses as much as digits as its factorization.

100421722913903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 100421722913903 in words is "one hundred trillion, four hundred twenty-one billion, seven hundred twenty-two million, nine hundred thirteen thousand, nine hundred three".