2221012011211 has 16 divisors (see below), whose sum is σ = 2591291008000. Its totient is φ = 1902850271784.

The previous prime is 2221012011173. The next prime is 2221012011217. The reversal of 2221012011211 is 1121102101222.

It is not a de Polignac number, because 2221012011211 - 2²³ = 2221003622603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221012011217) 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, 738435 + ... + 2233228.

It is an arithmetic number, because the mean of its divisors is an integer number (161955688000).

Almost surely, 2^{2221012011211} is an apocalyptic number.

2221012011211 is a deficient number, since it is larger than the sum of its proper divisors (370278996789).

2221012011211 is an equidigital number, since it uses as much as digits as its factorization.

2221012011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973863 (or 2973849 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2221012011211 its reverse (1121102101222), we get a palindrome (3342114112433).

The spelling of 2221012011211 in words is "two trillion, two hundred twenty-one billion, twelve million, eleven thousand, two hundred eleven".