121101321001 has 8 divisors (see below), whose sum is σ = 123033904704. Its totient is φ = 119172416880.

The previous prime is 121101320987. The next prime is 121101321007. The reversal of 121101321001 is 100123101121.

It is a happy number.

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 121101321001 - 2²³ = 121092932393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121101321007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853510 + ... + 985231.

It is an arithmetic number, because the mean of its divisors is an integer number (15379238088).

Almost surely, 2^121101321001 is an apocalyptic number.

It is an amenable number.

121101321001 is a deficient number, since it is larger than the sum of its proper divisors (1932583703).

121101321001 is an equidigital number, since it uses as much as digits as its factorization.

121101321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839791.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 121101321001 its reverse (100123101121), we get a palindrome (221224422122).

The spelling of 121101321001 in words is "one hundred twenty-one billion, one hundred one million, three hundred twenty-one thousand, one".