121101312201001 has 8 divisors (see below), whose sum is σ = 132110695007424. Its totient is φ = 110091958162320.

The previous prime is 121101312200993. The next prime is 121101312201031. The reversal of 121101312201001 is 100102213101121.

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 121101312201001 - 2³ = 121101312200993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121101312201031) 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, 2136031 + ... + 15708763.

It is an arithmetic number, because the mean of its divisors is an integer number (16513836875928).

Almost surely, 2^{121101312201001} is an apocalyptic number.

121101312201001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121101312201001 is a deficient number, since it is larger than the sum of its proper divisors (11009382806423).

121101312201001 is a wasteful number, since it uses less digits than its factorization.

121101312201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14383871.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 121101312201001 its reverse (100102213101121), we get a palindrome (221203525302122).

The spelling of 121101312201001 in words is "one hundred twenty-one trillion, one hundred one billion, three hundred twelve million, two hundred one thousand, one".