100421860267 has 4 divisors (see below), whose sum is σ = 106329028536. Its totient is φ = 94514692000.

The previous prime is 100421860261. The next prime is 100421860271. The reversal of 100421860267 is 762068124001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 762068124001 = 116969 ⋅6515129.

It is a cyclic number.

It is not a de Polignac number, because 100421860267 - 2⁷ = 100421860139 is a prime.

It is a super-2 number, since 2×100421860267² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100421860261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2953584109 + ... + 2953584142.

It is an arithmetic number, because the mean of its divisors is an integer number (26582257134).

Almost surely, 2^100421860267 is an apocalyptic number.

100421860267 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

100421860267 is a deficient number, since it is larger than the sum of its proper divisors (5907168269).

100421860267 is an equidigital number, since it uses as much as digits as its factorization.

100421860267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907168268.

The product of its (nonzero) digits is 32256, while the sum is 37.

Adding to 100421860267 its reverse (762068124001), we get a palindrome (862489984268).

The spelling of 100421860267 in words is "one hundred billion, four hundred twenty-one million, eight hundred sixty thousand, two hundred sixty-seven".