22211222211201 has 16 divisors (see below), whose sum is σ = 31220715921408. Its totient is φ = 14024930974800.

The previous prime is 22211222211181. The next prime is 22211222211209. The reversal of 22211222211201 is 10211222211222.

It is not a de Polignac number, because 22211222211201 - 2⁵ = 22211222211169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22211222211209) 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, 2540743995 + ... + 2540752736.

It is an arithmetic number, because the mean of its divisors is an integer number (1951294745088).

Almost surely, 2^{22211222211201} is an apocalyptic number.

It is an amenable number.

22211222211201 is a deficient number, since it is larger than the sum of its proper divisors (9009493710207).

22211222211201 is a wasteful number, since it uses less digits than its factorization.

22211222211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081496812.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22211222211201 its sum of digits (21), we get a palindrome (22211222211222).

Adding to 22211222211201 its reverse (10211222211222), we get a palindrome (32422444422423).

The spelling of 22211222211201 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty-two million, two hundred eleven thousand, two hundred one".