121123210030 has 8 divisors (see below), whose sum is σ = 218021778072. Its totient is φ = 48449284008.

The previous prime is 121123209971. The next prime is 121123210057. The reversal of 121123210030 is 30012321121.

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 = 121123209986 and 121123210013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6056160492 + ... + 6056160511.

It is an arithmetic number, because the mean of its divisors is an integer number (27252722259).

Almost surely, 2^121123210030 is an apocalyptic number.

121123210030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121123210030 is a deficient number, since it is larger than the sum of its proper divisors (96898568042).

121123210030 is a wasteful number, since it uses less digits than its factorization.

121123210030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12112321010.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121123210030 its reverse (30012321121), we get a palindrome (151135531151).

The spelling of 121123210030 in words is "one hundred twenty-one billion, one hundred twenty-three million, two hundred ten thousand, thirty".