121100012120010 has 128 divisors (see below), whose sum is σ = 363593113196544. Its totient is φ = 25077756015360.

The previous prime is 121100012119997. The next prime is 121100012120023. The reversal of 121100012120010 is 10021210001121.

121100012120010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121100012119997) and next prime (121100012120023).

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, 88784344 + ... + 90138003.

It is an arithmetic number, because the mean of its divisors is an integer number (2840571196848).

Almost surely, 2^{121100012120010} is an apocalyptic number.

121100012120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100012120010 is an abundant number, since it is smaller than the sum of its proper divisors (242493101076534).

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

121100012120010 is a wasteful number, since it uses less digits than its factorization.

121100012120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178922668.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121100012120010 its reverse (10021210001121), we get a palindrome (131121222121131).

The spelling of 121100012120010 in words is "one hundred twenty-one trillion, one hundred billion, twelve million, one hundred twenty thousand, ten".