100200011221 has 16 divisors (see below), whose sum is σ = 106123737600. Its totient is φ = 94416905968.

The previous prime is 100200011213. The next prime is 100200011227. The reversal of 100200011221 is 122110002001.

It is a cyclic number.

It is not a de Polignac number, because 100200011221 - 2³ = 100200011213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100200011198 and 100200011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100200011227) 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, 326790 + ... + 554248.

It is an arithmetic number, because the mean of its divisors is an integer number (6632733600).

Almost surely, 2^100200011221 is an apocalyptic number.

It is an amenable number.

100200011221 is a deficient number, since it is larger than the sum of its proper divisors (5923726379).

100200011221 is a wasteful number, since it uses less digits than its factorization.

100200011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227768.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100200011221 its reverse (122110002001), we get a palindrome (222310013222).

The spelling of 100200011221 in words is "one hundred billion, two hundred million, eleven thousand, two hundred twenty-one".