2221110201111 has 8 divisors (see below), whose sum is σ = 2969869732080. Its totient is φ = 1476545402112.

The previous prime is 2221110201103. The next prime is 2221110201139. The reversal of 2221110201111 is 1111020111222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221110201111 - 2³ = 2221110201103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221110201151) 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 7 ways as a sum of consecutive naturals, for example, 1048681756 + ... + 1048683873.

It is an arithmetic number, because the mean of its divisors is an integer number (371233716510).

Almost surely, 2^{2221110201111} is an apocalyptic number.

2221110201111 is a deficient number, since it is larger than the sum of its proper divisors (748759530969).

2221110201111 is a wasteful number, since it uses less digits than its factorization.

2221110201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097365985.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2221110201111 its reverse (1111020111222), we get a palindrome (3332130312333).

The spelling of 2221110201111 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, two hundred one thousand, one hundred eleven".