100551321354203 has 4 divisors (see below), whose sum is σ = 100570624742280. Its totient is φ = 100532017966128.

The previous prime is 100551321354149. The next prime is 100551321354247. The reversal of 100551321354203 is 302453123155001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100551321354203 is a prime.

It is a super-2 number, since 2×100551321354203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100551321354103) 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, 9651686225 + ... + 9651696642.

It is an arithmetic number, because the mean of its divisors is an integer number (25142656185570).

Almost surely, 2^{100551321354203} is an apocalyptic number.

100551321354203 is a deficient number, since it is larger than the sum of its proper divisors (19303388077).

100551321354203 is an equidigital number, since it uses as much as digits as its factorization.

100551321354203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19303388076.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 100551321354203 in words is "one hundred trillion, five hundred fifty-one billion, three hundred twenty-one million, three hundred fifty-four thousand, two hundred three".