111121213130 has 32 divisors (see below), whose sum is σ = 206972893440. Its totient is φ = 42903846720.

The previous prime is 111121213111. The next prime is 111121213163. The reversal of 111121213130 is 31312121111.

111121213130 is nontrivially palindromic in base 11.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111121213099 and 111121213108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029425 + ... + 1132235.

It is an arithmetic number, because the mean of its divisors is an integer number (6467902920).

Almost surely, 2^111121213130 is an apocalyptic number.

111121213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111121213130 is a deficient number, since it is larger than the sum of its proper divisors (95851680310).

111121213130 is a wasteful number, since it uses less digits than its factorization.

111121213130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106574.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111121213130 its reverse (31312121111), we get a palindrome (142433334241).

The spelling of 111121213130 in words is "one hundred eleven billion, one hundred twenty-one million, two hundred thirteen thousand, one hundred thirty".