22212120201 has 16 divisors (see below), whose sum is σ = 30439152768. Its totient is φ = 14397177600.

The previous prime is 22212120199. The next prime is 22212120239. The reversal of 22212120201 is 10202121222.

It is not a de Polignac number, because 22212120201 - 2¹ = 22212120199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212120001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77556 + ... + 224586.

It is an arithmetic number, because the mean of its divisors is an integer number (1902447048).

Almost surely, 2^22212120201 is an apocalyptic number.

It is an amenable number.

22212120201 is a deficient number, since it is larger than the sum of its proper divisors (8227032567).

22212120201 is a wasteful number, since it uses less digits than its factorization.

22212120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148432.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22212120201 its reverse (10202121222), we get a palindrome (32414241423).

The spelling of 22212120201 in words is "twenty-two billion, two hundred twelve million, one hundred twenty thousand, two hundred one".