121100101010 has 32 divisors (see below), whose sum is σ = 249179559552. Its totient is φ = 41510142720.

The previous prime is 121100100997. The next prime is 121100101019. The reversal of 121100101010 is 10101001121.

It is a happy number.

121100101010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (121100101019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92909 + ... + 500831.

It is an arithmetic number, because the mean of its divisors is an integer number (7786861236).

Almost surely, 2^121100101010 is an apocalyptic number.

121100101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100101010 is an abundant number, since it is smaller than the sum of its proper divisors (128079458542).

121100101010 is a wasteful number, since it uses less digits than its factorization.

121100101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412178.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 121100101010 its reverse (10101001121), we get a palindrome (131201102131).

The spelling of 121100101010 in words is "one hundred twenty-one billion, one hundred million, one hundred one thousand, ten".