2211310221133 has 16 divisors (see below), whose sum is σ = 2451357212976. Its totient is φ = 1982049638400.

The previous prime is 2211310221121. The next prime is 2211310221191. The reversal of 2211310221133 is 3311220131122.

It can be written as a sum of positive squares in 8 ways, for example, as 138798718249 + 2072511502884 = 372557^2 + 1439622^2 .

It is not a de Polignac number, because 2211310221133 - 2²⁹ = 2210773350221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211310225133) 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, 16476718 + ... + 16610383.

It is an arithmetic number, because the mean of its divisors is an integer number (153209825811).

Almost surely, 2^{2211310221133} is an apocalyptic number.

It is an amenable number.

2211310221133 is a deficient number, since it is larger than the sum of its proper divisors (240046991843).

2211310221133 is a wasteful number, since it uses less digits than its factorization.

2211310221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33087264.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2211310221133 its reverse (3311220131122), we get a palindrome (5522530352255).

The spelling of 2211310221133 in words is "two trillion, two hundred eleven billion, three hundred ten million, two hundred twenty-one thousand, one hundred thirty-three".