111121022010 has 16 divisors (see below), whose sum is σ = 266690452896. Its totient is φ = 29632272528.

The previous prime is 111121021993. The next prime is 111121022011. The reversal of 111121022010 is 10220121111.

It is not an unprimeable number, because it can be changed into a prime (111121022011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1852017004 + ... + 1852017063.

It is an arithmetic number, because the mean of its divisors is an integer number (16668153306).

Almost surely, 2^111121022010 is an apocalyptic number.

111121022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111121022010 is an abundant number, since it is smaller than the sum of its proper divisors (155569430886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111121022010 is a wasteful number, since it uses less digits than its factorization.

111121022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704034077.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111121022010 its reverse (10220121111), we get a palindrome (121341143121).

The spelling of 111121022010 in words is "one hundred eleven billion, one hundred twenty-one million, twenty-two thousand, ten".