100030221221 has 8 divisors (see below), whose sum is σ = 114322176000. Its totient is φ = 85738747248.

The previous prime is 100030221107. The next prime is 100030221227. The reversal of 100030221221 is 122122030001.

It is a happy number.

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

It is not a de Polignac number, because 100030221221 - 2¹⁸ = 100029959077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100030221196 and 100030221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100030221227) 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, 687155 + ... + 819903.

It is an arithmetic number, because the mean of its divisors is an integer number (14290272000).

Almost surely, 2^100030221221 is an apocalyptic number.

It is an amenable number.

100030221221 is a deficient number, since it is larger than the sum of its proper divisors (14291954779).

100030221221 is a wasteful number, since it uses less digits than its factorization.

100030221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240403.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100030221221 its reverse (122122030001), we get a palindrome (222152251222).

The spelling of 100030221221 in words is "one hundred billion, thirty million, two hundred twenty-one thousand, two hundred twenty-one".