221112102022011 has 24 divisors (see below), whose sum is σ = 319990232763344. Its totient is φ = 147128570890560.

The previous prime is 221112102021997. The next prime is 221112102022039. The reversal of 221112102022011 is 110220201211122.

221112102022011 is a `hidden beast` number, since 2 + 211 + 1 + 210 + 20 + 220 + 1 + 1 = 666.

It is not a de Polignac number, because 221112102022011 - 2²⁷ = 221111967804283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221112102022411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1537821 + ... + 21085281.

Almost surely, 2^{221112102022011} is an apocalyptic number.

221112102022011 is a deficient number, since it is larger than the sum of its proper divisors (98878130741333).

221112102022011 is a wasteful number, since it uses less digits than its factorization.

221112102022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19549851 (or 19549848 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 221112102022011 its reverse (110220201211122), we get a palindrome (331332303233133).

The spelling of 221112102022011 in words is "two hundred twenty-one trillion, one hundred twelve billion, one hundred two million, twenty-two thousand, eleven".