100101202221 has 16 divisors (see below), whose sum is σ = 141724296000. Its totient is φ = 62628619008.

The previous prime is 100101202141. The next prime is 100101202231. The reversal of 100101202221 is 122202101001.

It is not a de Polignac number, because 100101202221 - 2¹⁴ = 100101185837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100101202197 and 100101202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101202231) 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, 2794191 + ... + 2829788.

It is an arithmetic number, because the mean of its divisors is an integer number (8857768500).

Almost surely, 2^100101202221 is an apocalyptic number.

It is an amenable number.

100101202221 is a deficient number, since it is larger than the sum of its proper divisors (41623093779).

100101202221 is a wasteful number, since it uses less digits than its factorization.

100101202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624348.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100101202221 its reverse (122202101001), we get a palindrome (222303303222).

The spelling of 100101202221 in words is "one hundred billion, one hundred one million, two hundred two thousand, two hundred twenty-one".