2221132221011 has 4 divisors (see below), whose sum is σ = 2423053332024. Its totient is φ = 2019211110000.

The previous prime is 2221132220999. The next prime is 2221132221023. The reversal of 2221132221011 is 1101222311222.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2221132220999) and next prime (2221132221023).

It is a cyclic number.

It is not a de Polignac number, because 2221132221011 - 2¹⁰ = 2221132219987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221132221031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100960555490 + ... + 100960555511.

It is an arithmetic number, because the mean of its divisors is an integer number (605763333006).

Almost surely, 2^{2221132221011} is an apocalyptic number.

2221132221011 is a deficient number, since it is larger than the sum of its proper divisors (201921111013).

2221132221011 is a wasteful number, since it uses less digits than its factorization.

2221132221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201921111012.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2221132221011 its reverse (1101222311222), we get a palindrome (3322354532233).

The spelling of 2221132221011 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-two million, two hundred twenty-one thousand, eleven".