100420511403 has 8 divisors (see below), whose sum is σ = 133900026768. Its totient is φ = 66944001824.

The previous prime is 100420511383. The next prime is 100420511413. The reversal of 100420511403 is 304115024001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100420511403 - 2²⁹ = 99883640491 is a prime.

It is a super-2 number, since 2×100420511403² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100420511403.

It is not an unprimeable number, because it can be changed into a prime (100420511413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672300 + ... + 807977.

It is an arithmetic number, because the mean of its divisors is an integer number (16737503346).

Almost surely, 2^100420511403 is an apocalyptic number.

100420511403 is a deficient number, since it is larger than the sum of its proper divisors (33479515365).

100420511403 is a wasteful number, since it uses less digits than its factorization.

100420511403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502893.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 100420511403 its reverse (304115024001), we get a palindrome (404535535404).

The spelling of 100420511403 in words is "one hundred billion, four hundred twenty million, five hundred eleven thousand, four hundred three".