2212011221201 has 4 divisors (see below), whose sum is σ = 2213592360000. Its totient is φ = 2210430082404.

The previous prime is 2212011221177. The next prime is 2212011221213. The reversal of 2212011221201 is 1021221102122.

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 2212011221201 - 2¹⁴ = 2212011204817 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 2212011221201.

It is not an unprimeable number, because it can be changed into a prime (2212011221221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790567301 + ... + 790570098.

It is an arithmetic number, because the mean of its divisors is an integer number (553398090000).

Almost surely, 2^{2212011221201} is an apocalyptic number.

It is an amenable number.

2212011221201 is a deficient number, since it is larger than the sum of its proper divisors (1581138799).

2212011221201 is a wasteful number, since it uses less digits than its factorization.

2212011221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581138798.

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

Adding to 2212011221201 its reverse (1021221102122), we get a palindrome (3233232323323).

The spelling of 2212011221201 in words is "two trillion, two hundred twelve billion, eleven million, two hundred twenty-one thousand, two hundred one".