111000122010 has 64 divisors (see below), whose sum is σ = 297293068800. Its totient is φ = 29470758336.

The previous prime is 111000121951. The next prime is 111000122027. The reversal of 111000122010 is 10221000111.

It is a happy number.

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 = 111000121983 and 111000122001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 835794 + ... + 959453.

It is an arithmetic number, because the mean of its divisors is an integer number (4645204200).

Almost surely, 2^111000122010 is an apocalyptic number.

111000122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111000122010 is an abundant number, since it is smaller than the sum of its proper divisors (186292946790).

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

111000122010 is a wasteful number, since it uses less digits than its factorization.

111000122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795492 (or 1795486 counting only the distinct ones).

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

Adding to 111000122010 its reverse (10221000111), we get a palindrome (121221122121).

The spelling of 111000122010 in words is "one hundred eleven billion, one hundred twenty-two thousand, ten".