111212210030 has 8 divisors (see below), whose sum is σ = 200181978072. Its totient is φ = 44484884008.

The previous prime is 111212209993. The next prime is 111212210033. The reversal of 111212210030 is 30012212111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 111212209987 and 111212210014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111212210033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5560610492 + ... + 5560610511.

It is an arithmetic number, because the mean of its divisors is an integer number (25022747259).

Almost surely, 2^111212210030 is an apocalyptic number.

111212210030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111212210030 is a deficient number, since it is larger than the sum of its proper divisors (88969768042).

111212210030 is a wasteful number, since it uses less digits than its factorization.

111212210030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11121221010.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111212210030 its reverse (30012212111), we get a palindrome (141224422141).

The spelling of 111212210030 in words is "one hundred eleven billion, two hundred twelve million, two hundred ten thousand, thirty".