12221110101 has 8 divisors (see below), whose sum is σ = 16735213984. Its totient is φ = 7927206480.

The previous prime is 12221110073. The next prime is 12221110117. The reversal of 12221110101 is 10101112221.

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

It is a de Polignac number, because none of the positive numbers 2^k-12221110101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221110141) 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, 55049935 + ... + 55050156.

It is an arithmetic number, because the mean of its divisors is an integer number (2091901748).

Almost surely, 2^12221110101 is an apocalyptic number.

It is an amenable number.

12221110101 is a deficient number, since it is larger than the sum of its proper divisors (4514103883).

12221110101 is a wasteful number, since it uses less digits than its factorization.

12221110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110100131.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12221110101 its reverse (10101112221), we get a palindrome (22322222322).

The spelling of 12221110101 in words is "twelve billion, two hundred twenty-one million, one hundred ten thousand, one hundred one".