121103030250 has 96 divisors (see below), whose sum is σ = 331608176640. Its totient is φ = 31885308000.

The previous prime is 121103030249. The next prime is 121103030311. The reversal of 121103030250 is 52030301121.

121103030250 is a `hidden beast` number, since 1 + 2 + 110 + 303 + 0 + 250 = 666.

121103030250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162906 + ... + 518405.

It is an arithmetic number, because the mean of its divisors is an integer number (3454251840).

Almost surely, 2^121103030250 is an apocalyptic number.

121103030250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121103030250 is an abundant number, since it is smaller than the sum of its proper divisors (210505146390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121103030250 is a wasteful number, since it uses less digits than its factorization.

121103030250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681413 (or 681400 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 121103030250 its reverse (52030301121), we get a palindrome (173133331371).

The spelling of 121103030250 in words is "one hundred twenty-one billion, one hundred three million, thirty thousand, two hundred fifty".