121003425513030 has 128 divisors (see below), whose sum is σ = 312974539407360. Its totient is φ = 29828803481600.

The previous prime is 121003425512987. The next prime is 121003425513037. The reversal of 121003425513030 is 30315524300121.

121003425513030 is digitally balanced in base 4, 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 (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121003425513037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32886682 + ... + 36380498.

It is an arithmetic number, because the mean of its divisors is an integer number (2445113589120).

Almost surely, 2^{121003425513030} is an apocalyptic number.

121003425513030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121003425513030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156487269703680).

121003425513030 is an abundant number, since it is smaller than the sum of its proper divisors (191971113894330).

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

121003425513030 is a wasteful number, since it uses less digits than its factorization.

121003425513030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495054.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 121003425513030 its reverse (30315524300121), we get a palindrome (151318949813151).

The spelling of 121003425513030 in words is "one hundred twenty-one trillion, three billion, four hundred twenty-five million, five hundred thirteen thousand, thirty".