111012321010 has 32 divisors (see below), whose sum is σ = 211712641920. Its totient is φ = 41765966592.

The previous prime is 111012320983. The next prime is 111012321011. The reversal of 111012321010 is 10123210111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111012321011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55597 + ... + 474463.

It is an arithmetic number, because the mean of its divisors is an integer number (6616020060).

Almost surely, 2^111012321010 is an apocalyptic number.

111012321010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111012321010 is a deficient number, since it is larger than the sum of its proper divisors (100700320910).

111012321010 is a wasteful number, since it uses less digits than its factorization.

111012321010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420450.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111012321010 its reverse (10123210111), we get a palindrome (121135531121).

It can be divided in two parts, 1 and 11012321010, that added together give a palindrome (11012321011).

The spelling of 111012321010 in words is "one hundred eleven billion, twelve million, three hundred twenty-one thousand, ten".