2211111011321 has 8 divisors (see below), whose sum is σ = 2265000524640. Its totient is φ = 2157768599968.

The previous prime is 2211111011293. The next prime is 2211111011363. The reversal of 2211111011321 is 1231101111122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2211111011321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2211111011321.

It is not an unprimeable number, because it can be changed into a prime (2211111011621) 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 7 ways as a sum of consecutive naturals, for example, 136767311 + ... + 136783476.

It is an arithmetic number, because the mean of its divisors is an integer number (283125065580).

Almost surely, 2^{2211111011321} is an apocalyptic number.

It is an amenable number.

2211111011321 is a deficient number, since it is larger than the sum of its proper divisors (53889513319).

2211111011321 is a wasteful number, since it uses less digits than its factorization.

2211111011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273550983.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 2211111011321 its reverse (1231101111122), we get a palindrome (3442212122443).

The spelling of 2211111011321 in words is "two trillion, two hundred eleven billion, one hundred eleven million, eleven thousand, three hundred twenty-one".