111100022010 has 40 divisors (see below), whose sum is σ = 298735616916. Its totient is φ = 29626672320.

The previous prime is 111100022009. The next prime is 111100022017. The reversal of 111100022010 is 10220001111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 111074891841 + 25130169 = 333279^2 + 5013^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111100021983 and 111100022001.

It is not an unprimeable number, because it can be changed into a prime (111100022017) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68579451 + ... + 68581070.

Almost surely, 2^111100022010 is an apocalyptic number.

111100022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111100022010 is an abundant number, since it is smaller than the sum of its proper divisors (187635594906).

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

111100022010 is a wasteful number, since it uses less digits than its factorization.

111100022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137160540 (or 137160531 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 111100022010 its reverse (10220001111), we get a palindrome (121320023121).

The spelling of 111100022010 in words is "one hundred eleven billion, one hundred million, twenty-two thousand, ten".