100217213243 has 16 divisors (see below), whose sum is σ = 120274959360. Its totient is φ = 81642296736.

The previous prime is 100217213237. The next prime is 100217213269. The reversal of 100217213243 is 342312712001.

It is not a de Polignac number, because 100217213243 - 2¹⁰ = 100217212219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100217213203) 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, 1957103 + ... + 2007656.

It is an arithmetic number, because the mean of its divisors is an integer number (7517184960).

Almost surely, 2^100217213243 is an apocalyptic number.

100217213243 is a deficient number, since it is larger than the sum of its proper divisors (20057746117).

100217213243 is a wasteful number, since it uses less digits than its factorization.

100217213243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964946.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 100217213243 its reverse (342312712001), we get a palindrome (442529925244).

The spelling of 100217213243 in words is "one hundred billion, two hundred seventeen million, two hundred thirteen thousand, two hundred forty-three".