10121243220330 has 128 divisors (see below), whose sum is σ = 27122991768576. Its totient is φ = 2395912780800.

The previous prime is 10121243220271. The next prime is 10121243220359. The reversal of 10121243220330 is 3302234212101.

It is a self number, because there is not a number n which added to its sum of digits gives 10121243220330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52363965 + ... + 52556895.

It is an arithmetic number, because the mean of its divisors is an integer number (211898373192).

Almost surely, 2^{10121243220330} is an apocalyptic number.

10121243220330 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 10121243220330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13561495884288).

10121243220330 is an abundant number, since it is smaller than the sum of its proper divisors (17001748548246).

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

10121243220330 is a wasteful number, since it uses less digits than its factorization.

10121243220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196692.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 10121243220330 its reverse (3302234212101), we get a palindrome (13423477432431).

The spelling of 10121243220330 in words is "ten trillion, one hundred twenty-one billion, two hundred forty-three million, two hundred twenty thousand, three hundred thirty".