121023321001 has 8 divisors (see below), whose sum is σ = 132027958944. Its totient is φ = 110019102720.

The previous prime is 121023320959. The next prime is 121023321017. The reversal of 121023321001 is 100123320121.

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 121023321001 - 2¹¹ = 121023318953 is a prime.

It is a super-2 number, since 2×121023321001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121023321071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1078590 + ... + 1185496.

It is an arithmetic number, because the mean of its divisors is an integer number (16503494868).

Almost surely, 2^121023321001 is an apocalyptic number.

121023321001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121023321001 is a deficient number, since it is larger than the sum of its proper divisors (11004637943).

121023321001 is a wasteful number, since it uses less digits than its factorization.

121023321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209831.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121023321001 its reverse (100123320121), we get a palindrome (221146641122).

The spelling of 121023321001 in words is "one hundred twenty-one billion, twenty-three million, three hundred twenty-one thousand, one".