121100230344210 has 128 divisors (see below), whose sum is σ = 329973181816320. Its totient is φ = 28219280449536.

The previous prime is 121100230344193. The next prime is 121100230344221. The reversal of 121100230344210 is 12443032001121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68720545 + ... + 70460724.

It is an arithmetic number, because the mean of its divisors is an integer number (2577915482940).

Almost surely, 2^{121100230344210} is an apocalyptic number.

121100230344210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100230344210 is an abundant number, since it is smaller than the sum of its proper divisors (208872951472110).

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

121100230344210 is a wasteful number, since it uses less digits than its factorization.

121100230344210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139181412.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121100230344210 its reverse (12443032001121), we get a palindrome (133543262345331).

The spelling of 121100230344210 in words is "one hundred twenty-one trillion, one hundred billion, two hundred thirty million, three hundred forty-four thousand, two hundred ten".