100420405051 has 8 divisors (see below), whose sum is σ = 104163379760. Its totient is φ = 96741412992.

The previous prime is 100420405003. The next prime is 100420405073. The reversal of 100420405051 is 150504024001.

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 100420405051 - 2¹¹ = 100420403003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100420405751) 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, 15992466 + ... + 15998743.

It is an arithmetic number, because the mean of its divisors is an integer number (13020422470).

Almost surely, 2^100420405051 is an apocalyptic number.

100420405051 is a deficient number, since it is larger than the sum of its proper divisors (3742974709).

100420405051 is an equidigital number, since it uses as much as digits as its factorization.

100420405051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31991325.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 100420405051 its reverse (150504024001), we get a palindrome (250924429052).

The spelling of 100420405051 in words is "one hundred billion, four hundred twenty million, four hundred five thousand, fifty-one".