121122102102220 has 24 divisors (see below), whose sum is σ = 254391678327024. Its totient is φ = 48442123905216.

The previous prime is 121122102102217. The next prime is 121122102102263. The reversal of 121122102102220 is 22201201221121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419660614 + ... + 419949133.

It is an arithmetic number, because the mean of its divisors is an integer number (10599653263626).

Almost surely, 2^{121122102102220} is an apocalyptic number.

121122102102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121122102102220 is an abundant number, since it is smaller than the sum of its proper divisors (133269576224804).

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

121122102102220 is a wasteful number, since it uses less digits than its factorization.

121122102102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839616969 (or 839616967 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121122102102220 its reverse (22201201221121), we get a palindrome (143323303323341).

The spelling of 121122102102220 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred two million, one hundred two thousand, two hundred twenty".