121201012001 has 8 divisors (see below), whose sum is σ = 121760410464. Its totient is φ = 120641837440.

The previous prime is 121201011949. The next prime is 121201012003. The reversal of 121201012001 is 100210102121.

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 121201012001 - 2⁶ = 121201011937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121201012003) 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, 1082321 + ... + 1189041.

It is an arithmetic number, because the mean of its divisors is an integer number (15220051308).

Almost surely, 2^121201012001 is an apocalyptic number.

It is an amenable number.

121201012001 is a deficient number, since it is larger than the sum of its proper divisors (559398463).

121201012001 is a wasteful number, since it uses less digits than its factorization.

121201012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111951.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121201012001 its reverse (100210102121), we get a palindrome (221411114122).

The spelling of 121201012001 in words is "one hundred twenty-one billion, two hundred one million, twelve thousand, one".