121533142322 has 4 divisors (see below), whose sum is σ = 182299713486. Its totient is φ = 60766571160.

The previous prime is 121533142279. The next prime is 121533142343. The reversal of 121533142322 is 223241335121.

121533142322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65377887481 + 56155254841 = 255691^2 + 236971^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30383285579 + ... + 30383285582.

Almost surely, 2^121533142322 is an apocalyptic number.

121533142322 is a deficient number, since it is larger than the sum of its proper divisors (60766571164).

121533142322 is an equidigital number, since it uses as much as digits as its factorization.

121533142322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60766571163.

The product of its digits is 8640, while the sum is 29.

Adding to 121533142322 its reverse (223241335121), we get a palindrome (344774477443).

The spelling of 121533142322 in words is "one hundred twenty-one billion, five hundred thirty-three million, one hundred forty-two thousand, three hundred twenty-two".