100421264001 has 16 divisors (see below), whose sum is σ = 137030806080. Its totient is φ = 65397742080.

The previous prime is 100421263991. The next prime is 100421264017. The reversal of 100421264001 is 100462124001.

It is a happy number.

It is not a de Polignac number, because 100421264001 - 2²⁷ = 100287046273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100421264081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2243560 + ... + 2287881.

It is an arithmetic number, because the mean of its divisors is an integer number (8564425380).

Almost surely, 2^100421264001 is an apocalyptic number.

It is an amenable number.

100421264001 is a deficient number, since it is larger than the sum of its proper divisors (36609542079).

100421264001 is an equidigital number, since it uses as much as digits as its factorization.

100421264001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531616.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 100421264001 its reverse (100462124001), we get a palindrome (200883388002).

The spelling of 100421264001 in words is "one hundred billion, four hundred twenty-one million, two hundred sixty-four thousand, one".