121123100030 has 16 divisors (see below), whose sum is σ = 222135195744. Its totient is φ = 47535103200.

The previous prime is 121123100017. The next prime is 121123100039. The reversal of 121123100030 is 30001321121.

121123100030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121123099978 and 121123100014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123100039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114266546 + ... + 114267605.

It is an arithmetic number, because the mean of its divisors is an integer number (13883449734).

Almost surely, 2^121123100030 is an apocalyptic number.

121123100030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121123100030 is a deficient number, since it is larger than the sum of its proper divisors (101012095714).

121123100030 is a wasteful number, since it uses less digits than its factorization.

121123100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228534211.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121123100030 its reverse (30001321121), we get a palindrome (151124421151).

The spelling of 121123100030 in words is "one hundred twenty-one billion, one hundred twenty-three million, one hundred thousand, thirty".