121101323021 has 8 divisors (see below), whose sum is σ = 142866077184. Its totient is φ = 100452710160.

The previous prime is 121101323003. The next prime is 121101323071. The reversal of 121101323021 is 120323101121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121101323021 - 2⁶ = 121101322957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101323071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279035090 + ... + 279035523.

It is an arithmetic number, because the mean of its divisors is an integer number (17858259648).

Almost surely, 2^121101323021 is an apocalyptic number.

It is an amenable number.

121101323021 is a deficient number, since it is larger than the sum of its proper divisors (21764754163).

121101323021 is an equidigital number, since it uses as much as digits as its factorization.

121101323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558070651.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121101323021 its reverse (120323101121), we get a palindrome (241424424142).

The spelling of 121101323021 in words is "one hundred twenty-one billion, one hundred one million, three hundred twenty-three thousand, twenty-one".