2212131032201 has 4 divisors (see below), whose sum is σ = 2212434195732. Its totient is φ = 2211827868672.

The previous prime is 2212131032191. The next prime is 2212131032219. The reversal of 2212131032201 is 1022301312122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 795840625801 + 1416290406400 = 892099^2 + 1190080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212131032201 - 2¹⁴ = 2212131015817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212131032281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151570820 + ... + 151585413.

It is an arithmetic number, because the mean of its divisors is an integer number (553108548933).

Almost surely, 2^{2212131032201} is an apocalyptic number.

It is an amenable number.

2212131032201 is a deficient number, since it is larger than the sum of its proper divisors (303163531).

2212131032201 is an equidigital number, since it uses as much as digits as its factorization.

2212131032201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303163530.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2212131032201 its reverse (1022301312122), we get a palindrome (3234432344323).

The spelling of 2212131032201 in words is "two trillion, two hundred twelve billion, one hundred thirty-one million, thirty-two thousand, two hundred one".