121201020201 has 8 divisors (see below), whose sum is σ = 163201374144. Its totient is φ = 80000673200.

The previous prime is 121201020169. The next prime is 121201020221. The reversal of 121201020201 is 102020102121.

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 121201020201 - 2⁵ = 121201020169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121201020221) 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, 200001381 + ... + 200001986.

It is an arithmetic number, because the mean of its divisors is an integer number (20400171768).

Almost surely, 2^121201020201 is an apocalyptic number.

It is an amenable number.

121201020201 is a deficient number, since it is larger than the sum of its proper divisors (42000353943).

121201020201 is a wasteful number, since it uses less digits than its factorization.

121201020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400003471.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121201020201 its reverse (102020102121), we get a palindrome (223221122322).

The spelling of 121201020201 in words is "one hundred twenty-one billion, two hundred one million, twenty thousand, two hundred one".