111101121022 has 8 divisors (see below), whose sum is σ = 166886735400. Its totient is φ = 55472209224.

The previous prime is 111101121013. The next prime is 111101121023. The reversal of 111101121022 is 220121101111.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 111101120993 and 111101121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101121023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39173872 + ... + 39176707.

It is an arithmetic number, because the mean of its divisors is an integer number (20860841925).

Almost surely, 2^111101121022 is an apocalyptic number.

111101121022 is a deficient number, since it is larger than the sum of its proper divisors (55785614378).

111101121022 is an equidigital number, since it uses as much as digits as its factorization.

111101121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78351290.

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

Adding to 111101121022 its reverse (220121101111), we get a palindrome (331222222133).

The spelling of 111101121022 in words is "one hundred eleven billion, one hundred one million, one hundred twenty-one thousand, twenty-two".