121201031330 has 48 divisors (see below), whose sum is σ = 221278640184. Its totient is φ = 47797401600.

The previous prime is 121201031323. The next prime is 121201031351. The reversal of 121201031330 is 33130102121.

It can be written as a sum of positive squares in 4 ways, for example, as 103941115201 + 17259916129 = 322399^2 + 131377^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121201031299 and 121201031308.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75702530 + ... + 75704130.

Almost surely, 2^121201031330 is an apocalyptic number.

121201031330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201031330 is a deficient number, since it is larger than the sum of its proper divisors (100077608854).

121201031330 is a wasteful number, since it uses less digits than its factorization.

121201031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121201031330 its reverse (33130102121), we get a palindrome (154331133451).

The spelling of 121201031330 in words is "one hundred twenty-one billion, two hundred one million, thirty-one thousand, three hundred thirty".