121000100030 has 8 divisors (see below), whose sum is σ = 217800180072. Its totient is φ = 48400040008.

The previous prime is 121000100029. The next prime is 121000100051. The reversal of 121000100030 is 30001000121.

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 = 121000099990 and 121000100017.

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, 6050004992 + ... + 6050005011.

It is an arithmetic number, because the mean of its divisors is an integer number (27225022509).

Almost surely, 2^121000100030 is an apocalyptic number.

121000100030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121000100030 is a deficient number, since it is larger than the sum of its proper divisors (96800080042).

121000100030 is a wasteful number, since it uses less digits than its factorization.

121000100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12100010010.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 121000100030 its reverse (30001000121), we get a palindrome (151001100151).

Subtracting from 121000100030 its reverse (30001000121), we obtain a palindrome (90999099909).

The spelling of 121000100030 in words is "one hundred twenty-one billion, one hundred thousand, thirty".