121121002221010 has 64 divisors (see below), whose sum is σ = 251830106348544. Its totient is φ = 41452839014400.

The previous prime is 121121002220929. The next prime is 121121002221029. The reversal of 121121002221010 is 10122200121121.

121121002221010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361084570 + ... + 361419850.

It is an arithmetic number, because the mean of its divisors is an integer number (3934845411696).

Almost surely, 2^{121121002221010} is an apocalyptic number.

121121002221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121121002221010 is an abundant number, since it is smaller than the sum of its proper divisors (130709104127534).

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

121121002221010 is a wasteful number, since it uses less digits than its factorization.

121121002221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528499.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121121002221010 its reverse (10122200121121), we get a palindrome (131243202342131).

The spelling of 121121002221010 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, two million, two hundred twenty-one thousand, ten".