111020022221211 has 12 divisors (see below), whose sum is σ = 162755720802792. Its totient is φ = 72908671309056.

The previous prime is 111020022221203. The next prime is 111020022221287. The reversal of 111020022221211 is 112122220020111.

111020022221211 is a `hidden beast` number, since 1 + 1 + 10 + 200 + 22 + 221 + 211 = 666.

It is not a de Polignac number, because 111020022221211 - 2³ = 111020022221203 is a prime.

It is a super-4 number, since 4×111020022221211⁴ (a number of 57 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (111020022221291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92056402566 + ... + 92056403771.

It is an arithmetic number, because the mean of its divisors is an integer number (13562976733566).

Almost surely, 2^{111020022221211} is an apocalyptic number.

111020022221211 is a deficient number, since it is larger than the sum of its proper divisors (51735698581581).

111020022221211 is a wasteful number, since it uses less digits than its factorization.

111020022221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184112806410 (or 184112806407 counting only the distinct ones).

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

Adding to 111020022221211 its reverse (112122220020111), we get a palindrome (223142242241322).

The spelling of 111020022221211 in words is "one hundred eleven trillion, twenty billion, twenty-two million, two hundred twenty-one thousand, two hundred eleven".