121112332100030 has 64 divisors (see below), whose sum is σ = 223636224442176. Its totient is φ = 47206134144000.

The previous prime is 121112332099981. The next prime is 121112332100047. The reversal of 121112332100030 is 30001233211121.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121112332099975 and 121112332100011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72173225 + ... + 73832235.

It is an arithmetic number, because the mean of its divisors is an integer number (3494316006909).

Almost surely, 2^{121112332100030} is an apocalyptic number.

121112332100030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112332100030 is a deficient number, since it is larger than the sum of its proper divisors (102523892342146).

121112332100030 is a wasteful number, since it uses less digits than its factorization.

121112332100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660013.

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

Adding to 121112332100030 its reverse (30001233211121), we get a palindrome (151113565311151).

The spelling of 121112332100030 in words is "one hundred twenty-one trillion, one hundred twelve billion, three hundred thirty-two million, one hundred thousand, thirty".