121200201001 has 8 divisors (see below), whose sum is σ = 134385916608. Its totient is φ = 108375738000.

The previous prime is 121200200981. The next prime is 121200201029. The reversal of 121200201001 is 100102002121.

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 121200201001 - 2¹¹ = 121200198953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121200201301) 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, 90312445 + ... + 90313786.

It is an arithmetic number, because the mean of its divisors is an integer number (16798239576).

Almost surely, 2^121200201001 is an apocalyptic number.

121200201001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121200201001 is a deficient number, since it is larger than the sum of its proper divisors (13185715607).

121200201001 is a wasteful number, since it uses less digits than its factorization.

121200201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180626303.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121200201001 its reverse (100102002121), we get a palindrome (221302203122).

The spelling of 121200201001 in words is "one hundred twenty-one billion, two hundred million, two hundred one thousand, one".