2221101220011 has 48 divisors (see below), whose sum is σ = 3063826289664. Its totient is φ = 1431202628736.

The previous prime is 2221101219979. The next prime is 2221101220021. The reversal of 2221101220011 is 1100221011222.

It is not a de Polignac number, because 2221101220011 - 2⁵ = 2221101219979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221101220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 478992985 + ... + 478997621.

It is an arithmetic number, because the mean of its divisors is an integer number (63829714368).

Almost surely, 2^{2221101220011} is an apocalyptic number.

2221101220011 is a deficient number, since it is larger than the sum of its proper divisors (842725069653).

2221101220011 is a wasteful number, since it uses less digits than its factorization.

2221101220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460 (or 5423 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2221101220011 its reverse (1100221011222), we get a palindrome (3321322231233).

The spelling of 2221101220011 in words is "two trillion, two hundred twenty-one billion, one hundred one million, two hundred twenty thousand, eleven".