2111000221331 has 16 divisors (see below), whose sum is σ = 2140024588800. Its totient is φ = 2082034944288.

The previous prime is 2111000221327. The next prime is 2111000221361. The reversal of 2111000221331 is 1331220001112.

It is a cyclic number.

It is not a de Polignac number, because 2111000221331 - 2² = 2111000221327 is a prime.

It is a super-2 number, since 2×2111000221331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111000221361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407605100 + ... + 407610278.

It is an arithmetic number, because the mean of its divisors is an integer number (133751536800).

Almost surely, 2^{2111000221331} is an apocalyptic number.

2111000221331 is a deficient number, since it is larger than the sum of its proper divisors (29024367469).

2111000221331 is a wasteful number, since it uses less digits than its factorization.

2111000221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9818.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2111000221331 its reverse (1331220001112), we get a palindrome (3442220222443).

The spelling of 2111000221331 in words is "two trillion, one hundred eleven billion, two hundred twenty-one thousand, three hundred thirty-one".