2221012211011 has 16 divisors (see below), whose sum is σ = 2447113055328. Its totient is φ = 1998946432000.

The previous prime is 2221012210999. The next prime is 2221012211039. The reversal of 2221012211011 is 1101122101222.

It is a cyclic number.

It is not a de Polignac number, because 2221012211011 - 2⁹ = 2221012210499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221012211111) 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, 14608461 + ... + 14759713.

It is an arithmetic number, because the mean of its divisors is an integer number (152944565958).

Almost surely, 2^{2221012211011} is an apocalyptic number.

2221012211011 is a deficient number, since it is larger than the sum of its proper divisors (226100844317).

2221012211011 is a wasteful number, since it uses less digits than its factorization.

2221012211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164582.

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

Adding to 2221012211011 its reverse (1101122101222), we get a palindrome (3322134312233).

It can be divided in two parts, 22210 and 12211011, that added together give a palindrome (12233221).

The spelling of 2221012211011 in words is "two trillion, two hundred twenty-one billion, twelve million, two hundred eleven thousand, eleven".