121100010330 has 128 divisors (see below), whose sum is σ = 320597367552. Its totient is φ = 29086783488.

The previous prime is 121100010329. The next prime is 121100010337. The reversal of 121100010330 is 33010001121.

It is a super-2 number, since 2×121100010330² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121100010337) 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, 20003584 + ... + 20009636.

It is an arithmetic number, because the mean of its divisors is an integer number (2504666934).

Almost surely, 2^121100010330 is an apocalyptic number.

121100010330 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 121100010330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160298683776).

121100010330 is an abundant number, since it is smaller than the sum of its proper divisors (199497357222).

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

121100010330 is a wasteful number, since it uses less digits than its factorization.

121100010330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7312.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 121100010330 its reverse (33010001121), we get a palindrome (154110011451).

The spelling of 121100010330 in words is "one hundred twenty-one billion, one hundred million, ten thousand, three hundred thirty".