2211222012201 has 32 divisors (see below), whose sum is σ = 3431933245440. Its totient is φ = 1404436770000.

The previous prime is 2211222012193. The next prime is 2211222012203. The reversal of 2211222012201 is 1022102221122.

It is a happy number.

2211222012201 is a `hidden beast` number, since 221 + 1 + 2 + 220 + 1 + 220 + 1 = 666.

It is not a de Polignac number, because 2211222012201 - 2³ = 2211222012193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211222012203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6937245 + ... + 7248986.

It is an arithmetic number, because the mean of its divisors is an integer number (107247913920).

Almost surely, 2^{2211222012201} is an apocalyptic number.

It is an amenable number.

2211222012201 is a deficient number, since it is larger than the sum of its proper divisors (1220711233239).

2211222012201 is a wasteful number, since it uses less digits than its factorization.

2211222012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14186514 (or 14186508 counting only the distinct ones).

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

Adding to 2211222012201 its reverse (1022102221122), we get a palindrome (3233324233323).

The spelling of 2211222012201 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, twelve thousand, two hundred one".