2212022121201 has 12 divisors (see below), whose sum is σ = 3305320411380. Its totient is φ = 1423830330720.

The previous prime is 2212022121191. The next prime is 2212022121203. The reversal of 2212022121201 is 1021212202122.

It is a happy number.

2212022121201 is a `hidden beast` number, since 221 + 2 + 0 + 221 + 21 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1866436862976 + 345585258225 = 1366176^2 + 587865^2 .

It is not a de Polignac number, because 2212022121201 - 2⁶ = 2212022121137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2212022121203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4237590010 + ... + 4237590531.

It is an arithmetic number, because the mean of its divisors is an integer number (275443367615).

Almost surely, 2^{2212022121201} is an apocalyptic number.

It is an amenable number.

2212022121201 is a deficient number, since it is larger than the sum of its proper divisors (1093298290179).

2212022121201 is a wasteful number, since it uses less digits than its factorization.

2212022121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8475180576 (or 8475180573 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2212022121201 its reverse (1021212202122), we get a palindrome (3233234323323).

The spelling of 2212022121201 in words is "two trillion, two hundred twelve billion, twenty-two million, one hundred twenty-one thousand, two hundred one".