121340422220 has 12 divisors (see below), whose sum is σ = 254814886704. Its totient is φ = 48536168880.

The previous prime is 121340422211. The next prime is 121340422223. The reversal of 121340422220 is 22224043121.

121340422220 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 (121340422223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3033510536 + ... + 3033510575.

It is an arithmetic number, because the mean of its divisors is an integer number (21234573892).

Almost surely, 2^121340422220 is an apocalyptic number.

121340422220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121340422220 is an abundant number, since it is smaller than the sum of its proper divisors (133474464484).

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

121340422220 is a wasteful number, since it uses less digits than its factorization.

121340422220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6067021120 (or 6067021118 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 121340422220 its reverse (22224043121), we get a palindrome (143564465341).

The spelling of 121340422220 in words is "one hundred twenty-one billion, three hundred forty million, four hundred twenty-two thousand, two hundred twenty".