111121223330 has 64 divisors (see below), whose sum is σ = 217268593920. Its totient is φ = 40675627776.

The previous prime is 111121223329. The next prime is 111121223413. The reversal of 111121223330 is 33322121111.

It is a happy number.

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, 8067029 + ... + 8080791.

It is an arithmetic number, because the mean of its divisors is an integer number (3394821780).

Almost surely, 2^111121223330 is an apocalyptic number.

111121223330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111121223330 is a deficient number, since it is larger than the sum of its proper divisors (106147370590).

111121223330 is a wasteful number, since it uses less digits than its factorization.

111121223330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14315.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111121223330 its reverse (33322121111), we get a palindrome (144443344441).

The spelling of 111121223330 in words is "one hundred eleven billion, one hundred twenty-one million, two hundred twenty-three thousand, three hundred thirty".