121045435530 has 32 divisors (see below), whose sum is σ = 290575252800. Its totient is φ = 32271426432.

The previous prime is 121045435513. The next prime is 121045435549. The reversal of 121045435530 is 35534540121.

It is a junction number, because it is equal to n+sod(n) for n = 121045435491 and 121045435500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325300 + ... + 589839.

It is an arithmetic number, because the mean of its divisors is an integer number (9080476650).

Almost surely, 2^121045435530 is an apocalyptic number.

121045435530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121045435530 is an abundant number, since it is smaller than the sum of its proper divisors (169529817270).

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

121045435530 is a wasteful number, since it uses less digits than its factorization.

121045435530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919558.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 121045435530 its reverse (35534540121), we get a palindrome (156579975651).

The spelling of 121045435530 in words is "one hundred twenty-one billion, forty-five million, four hundred thirty-five thousand, five hundred thirty".