121022213222220 has 96 divisors (see below), whose sum is σ = 340443475061760. Its totient is φ = 32122122009600.

The previous prime is 121022213222219. The next prime is 121022213222299. The reversal of 121022213222220 is 22222312220121.

121022213222220 is digitally balanced in base 4, 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, 27844420 + ... + 31896020.

It is an arithmetic number, because the mean of its divisors is an integer number (3546286198560).

Almost surely, 2^{121022213222220} is an apocalyptic number.

121022213222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022213222220 is an abundant number, since it is smaller than the sum of its proper divisors (219421261839540).

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

121022213222220 is a wasteful number, since it uses less digits than its factorization.

121022213222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053935 (or 4053933 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 121022213222220 its reverse (22222312220121), we get a palindrome (143244525442341).

The spelling of 121022213222220 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred thirteen million, two hundred twenty-two thousand, two hundred twenty".