22012212011201 has 4 divisors (see below), whose sum is σ = 22012447622592. Its totient is φ = 22011976399812.

The previous prime is 22012212011173. The next prime is 22012212011213. The reversal of 22012212011201 is 10211021221022.

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 not a de Polignac number, because 22012212011201 - 2⁶ = 22012212011137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22012212011201.

It is not an unprimeable number, because it can be changed into a prime (22012212011291) 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 3 ways as a sum of consecutive naturals, for example, 117665501 + ... + 117852426.

It is an arithmetic number, because the mean of its divisors is an integer number (5503111905648).

Almost surely, 2^{22012212011201} is an apocalyptic number.

It is an amenable number.

22012212011201 is a deficient number, since it is larger than the sum of its proper divisors (235611391).

22012212011201 is an equidigital number, since it uses as much as digits as its factorization.

22012212011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235611390.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22012212011201 its reverse (10211021221022), we get a palindrome (32223233232223).

The spelling of 22012212011201 in words is "twenty-two trillion, twelve billion, two hundred twelve million, eleven thousand, two hundred one".