2212222222201 has 16 divisors (see below), whose sum is σ = 2356558840080. Its totient is φ = 2069500815360.

The previous prime is 2212222222183. The next prime is 2212222222211. The reversal of 2212222222201 is 1022222222122.

It can be written as a sum of positive squares in 8 ways, for example, as 601708938601 + 1610513283600 = 775699^2 + 1269060^2 .

It is not a de Polignac number, because 2212222222201 - 2⁹ = 2212222221689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2212222222211) 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, 1351671 + ... + 2500291.

It is an arithmetic number, because the mean of its divisors is an integer number (147284927505).

Almost surely, 2^{2212222222201} is an apocalyptic number.

It is an amenable number.

2212222222201 is a deficient number, since it is larger than the sum of its proper divisors (144336617879).

2212222222201 is a wasteful number, since it uses less digits than its factorization.

2212222222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149324.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 2212222222201 its reverse (1022222222122), we get a palindrome (3234444444323).

The spelling of 2212222222201 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred one".