22221112210011 has 48 divisors (see below), whose sum is σ = 37716912061920. Its totient is φ = 12428636060160.

The previous prime is 22221112209949. The next prime is 22221112210043. The reversal of 22221112210011 is 11001221112222.

22221112210011 is a `hidden beast` number, since 222 + 211 + 1 + 221 + 0 + 0 + 11 = 666.

It is not a de Polignac number, because 22221112210011 - 2¹³ = 22221112201819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221112210051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3902175 + ... + 7724583.

It is an arithmetic number, because the mean of its divisors is an integer number (785769001290).

Almost surely, 2^{22221112210011} is an apocalyptic number.

22221112210011 is a deficient number, since it is larger than the sum of its proper divisors (15495799851909).

22221112210011 is a wasteful number, since it uses less digits than its factorization.

22221112210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826956 (or 3826953 counting only the distinct ones).

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

Adding to 22221112210011 its reverse (11001221112222), we get a palindrome (33222333322233).

The spelling of 22221112210011 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, two hundred ten thousand, eleven".