121021320132030 has 64 divisors (see below), whose sum is σ = 301991938079040. Its totient is φ = 31001342152704.

The previous prime is 121021320131989. The next prime is 121021320132077. The reversal of 121021320132030 is 30231023120121.

It is a junction number, because it is equal to n+sod(n) for n = 121021320131988 and 121021320132006.

It is a congruent number.

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, 352886899 + ... + 353229678.

It is an arithmetic number, because the mean of its divisors is an integer number (4718624032485).

Almost surely, 2^{121021320132030} is an apocalyptic number.

121021320132030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121021320132030 is an abundant number, since it is smaller than the sum of its proper divisors (180970617947010).

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

121021320132030 is a wasteful number, since it uses less digits than its factorization.

121021320132030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706116813.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121021320132030 its reverse (30231023120121), we get a palindrome (151252343252151).

The spelling of 121021320132030 in words is "one hundred twenty-one trillion, twenty-one billion, three hundred twenty million, one hundred thirty-two thousand, thirty".