111011121022 has 8 divisors (see below), whose sum is σ = 168133348656. Its totient is φ = 54966671472.

The previous prime is 111011121019. The next prime is 111011121041. The reversal of 111011121022 is 220121110111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111011121022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111011120993 and 111011121011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269444263 + ... + 269444674.

It is an arithmetic number, because the mean of its divisors is an integer number (21016668582).

Almost surely, 2^111011121022 is an apocalyptic number.

111011121022 is a deficient number, since it is larger than the sum of its proper divisors (57122227634).

111011121022 is a wasteful number, since it uses less digits than its factorization.

111011121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538889042.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111011121022 its reverse (220121110111), we get a palindrome (331132231133).

The spelling of 111011121022 in words is "one hundred eleven billion, eleven million, one hundred twenty-one thousand, twenty-two".