2212212211201 has 8 divisors (see below), whose sum is σ = 2226036928104. Its totient is φ = 2198429708160.

The previous prime is 2212212211169. The next prime is 2212212211211. The reversal of 2212212211201 is 1021122122122.

It can be written as a sum of positive squares in 4 ways, for example, as 873806170176 + 1338406041025 = 934776^2 + 1156895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2212212211201 - 2⁵ = 2212212211169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212212211211) 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 7 ways as a sum of consecutive naturals, for example, 10448326 + ... + 10657951.

It is an arithmetic number, because the mean of its divisors is an integer number (278254616013).

Almost surely, 2^{2212212211201} is an apocalyptic number.

It is an amenable number.

2212212211201 is a deficient number, since it is larger than the sum of its proper divisors (13824716903).

2212212211201 is a wasteful number, since it uses less digits than its factorization.

2212212211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21106931.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2212212211201 its reverse (1021122122122), we get a palindrome (3233334333323).

The spelling of 2212212211201 in words is "two trillion, two hundred twelve billion, two hundred twelve million, two hundred eleven thousand, two hundred one".