12220000101 has 24 divisors (see below), whose sum is σ = 18177745664. Its totient is φ = 7904809440.

The previous prime is 12220000099. The next prime is 12220000127. The reversal of 12220000101 is 10100002221.

It is not a de Polignac number, because 12220000101 - 2¹ = 12220000099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220000171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72216 + ... + 172206.

Almost surely, 2^12220000101 is an apocalyptic number.

It is an amenable number.

12220000101 is a deficient number, since it is larger than the sum of its proper divisors (5957745563).

12220000101 is a wasteful number, since it uses less digits than its factorization.

12220000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100401 (or 100398 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12220000101 its reverse (10100002221), we get a palindrome (22320002322).

The spelling of 12220000101 in words is "twelve billion, two hundred twenty million, one hundred one", and thus it is an aban number.