111022122121011 has 24 divisors (see below), whose sum is σ = 161436809190176. Its totient is φ = 73520257305600.

The previous prime is 111022122120983. The next prime is 111022122121049. The reversal of 111022122121011 is 110121221220111.

It is a happy number.

111022122121011 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 221 + 221 + 210 + 11 = 666.

It is not a de Polignac number, because 111022122121011 - 2¹⁵ = 111022122088243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111022122121051) 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, 20779731 + ... + 25570323.

Almost surely, 2^{111022122121011} is an apocalyptic number.

111022122121011 is a deficient number, since it is larger than the sum of its proper divisors (50414687069165).

111022122121011 is a wasteful number, since it uses less digits than its factorization.

111022122121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807803 (or 4807800 counting only the distinct ones).

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

Adding to 111022122121011 its reverse (110121221220111), we get a palindrome (221143343341122).

The spelling of 111022122121011 in words is "one hundred eleven trillion, twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, eleven".