111201121022 has 16 divisors (see below), whose sum is σ = 168691669200. Its totient is φ = 54970681920.

The previous prime is 111201121019. The next prime is 111201121037. The reversal of 111201121022 is 220121102111.

It is a junction number, because it is equal to n+sod(n) for n = 111201120988 and 111201121006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2474897 + ... + 2519427.

It is an arithmetic number, because the mean of its divisors is an integer number (10543229325).

Almost surely, 2^111201121022 is an apocalyptic number.

111201121022 is a deficient number, since it is larger than the sum of its proper divisors (57490548178).

111201121022 is a wasteful number, since it uses less digits than its factorization.

111201121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58651.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111201121022 its reverse (220121102111), we get a palindrome (331322223133).

The spelling of 111201121022 in words is "one hundred eleven billion, two hundred one million, one hundred twenty-one thousand, twenty-two".