111022022121111 has 12 divisors (see below), whose sum is σ = 162166998605040. Its totient is φ = 73183055779680.

The previous prime is 111022022121077. The next prime is 111022022121137. The reversal of 111022022121111 is 111121220220111.

It is a happy number.

111022022121111 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 220 + 221 + 211 + 11 = 666.

It is not a de Polignac number, because 111022022121111 - 2²⁹ = 111021485250199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022022121511) 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, 69302135355 + ... + 69302136956.

It is an arithmetic number, because the mean of its divisors is an integer number (13513916550420).

Almost surely, 2^{111022022121111} is an apocalyptic number.

111022022121111 is a deficient number, since it is larger than the sum of its proper divisors (51144976483929).

111022022121111 is a wasteful number, since it uses less digits than its factorization.

111022022121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138604272406 (or 138604272403 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111022022121111 its reverse (111121220220111), we get a palindrome (222143242341222).

The spelling of 111022022121111 in words is "one hundred eleven trillion, twenty-two billion, twenty-two million, one hundred twenty-one thousand, one hundred eleven".