12222211101 has 8 divisors (see below), whose sum is σ = 16356863520. Its totient is φ = 8117849712.

The previous prime is 12222211097. The next prime is 12222211123. The reversal of 12222211101 is 10111222221.

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

It is not a de Polignac number, because 12222211101 - 2² = 12222211097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222211171) 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, 7571815 + ... + 7573428.

It is an arithmetic number, because the mean of its divisors is an integer number (2044607940).

Almost surely, 2^12222211101 is an apocalyptic number.

It is an amenable number.

12222211101 is a deficient number, since it is larger than the sum of its proper divisors (4134652419).

12222211101 is a wasteful number, since it uses less digits than its factorization.

12222211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15145515.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12222211101 its reverse (10111222221), we get a palindrome (22333433322).

The spelling of 12222211101 in words is "twelve billion, two hundred twenty-two million, two hundred eleven thousand, one hundred one".