2221322211011 has 4 divisors (see below), whose sum is σ = 2224910777400. Its totient is φ = 2217733644624.

The previous prime is 2221322211007. The next prime is 2221322211083. The reversal of 2221322211011 is 1101122231222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221322211011 - 2² = 2221322211007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221322211611) 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, 1794282266 + ... + 1794283503.

It is an arithmetic number, because the mean of its divisors is an integer number (556227694350).

Almost surely, 2^{2221322211011} is an apocalyptic number.

2221322211011 is a deficient number, since it is larger than the sum of its proper divisors (3588566389).

2221322211011 is an equidigital number, since it uses as much as digits as its factorization.

2221322211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588566388.

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

Adding to 2221322211011 its reverse (1101122231222), we get a palindrome (3322444442233).

The spelling of 2221322211011 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-two million, two hundred eleven thousand, eleven".