2211221101201 has 12 divisors (see below), whose sum is σ = 2588017394352. Its totient is φ = 1883704559688.

The previous prime is 2211221101153. The next prime is 2211221101207. The reversal of 2211221101201 is 1021011221122.

It is not a de Polignac number, because 2211221101201 - 2³⁵ = 2176861362833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211221101207) 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 11 ways as a sum of consecutive naturals, for example, 138418275 + ... + 138434248.

It is an arithmetic number, because the mean of its divisors is an integer number (215668116196).

Almost surely, 2^{2211221101201} is an apocalyptic number.

It is an amenable number.

2211221101201 is a deficient number, since it is larger than the sum of its proper divisors (376796293151).

2211221101201 is a wasteful number, since it uses less digits than its factorization.

2211221101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276852700 (or 276852693 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2211221101201 its reverse (1021011221122), we get a palindrome (3232232322323).

The spelling of 2211221101201 in words is "two trillion, two hundred eleven billion, two hundred twenty-one million, one hundred one thousand, two hundred one".