22212112211101 has 4 divisors (see below), whose sum is σ = 22212249104704. Its totient is φ = 22211975317500.

The previous prime is 22212112211083. The next prime is 22212112211153. The reversal of 22212112211101 is 10111221121222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212112211101 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 (22212112211501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68203125 + ... + 68528026.

It is an arithmetic number, because the mean of its divisors is an integer number (5553062276176).

Almost surely, 2^{22212112211101} is an apocalyptic number.

It is an amenable number.

22212112211101 is a deficient number, since it is larger than the sum of its proper divisors (136893603).

22212112211101 is a wasteful number, since it uses less digits than its factorization.

22212112211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136893602.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22212112211101 its reverse (10111221121222), we get a palindrome (32323333332323).

The spelling of 22212112211101 in words is "twenty-two trillion, two hundred twelve billion, one hundred twelve million, two hundred eleven thousand, one hundred one".