121322010020 has 48 divisors (see below), whose sum is σ = 259003374336. Its totient is φ = 47730000000.

The previous prime is 121322010001. The next prime is 121322010041. The reversal of 121322010020 is 20010223121.

It is a happy number.

121322010020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121322009977 and 121322010004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106145 + ... + 503895.

It is an arithmetic number, because the mean of its divisors is an integer number (5395903632).

Almost surely, 2^121322010020 is an apocalyptic number.

121322010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121322010020 is an abundant number, since it is smaller than the sum of its proper divisors (137681364316).

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

121322010020 is a wasteful number, since it uses less digits than its factorization.

121322010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398012 (or 398010 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 121322010020 its reverse (20010223121), we get a palindrome (141332233141).

The spelling of 121322010020 in words is "one hundred twenty-one billion, three hundred twenty-two million, ten thousand, twenty".