121121012201 has 8 divisors (see below), whose sum is σ = 141035788224. Its totient is φ = 101859179760.

The previous prime is 121121012141. The next prime is 121121012209. The reversal of 121121012201 is 102210121121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121121012201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121121012209) 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, 163235495 + ... + 163236236.

It is an arithmetic number, because the mean of its divisors is an integer number (17629473528).

Almost surely, 2^121121012201 is an apocalyptic number.

It is an amenable number.

121121012201 is a deficient number, since it is larger than the sum of its proper divisors (19914776023).

121121012201 is an equidigital number, since it uses as much as digits as its factorization.

121121012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326471791.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121121012201 its reverse (102210121121), we get a palindrome (223331133322).

The spelling of 121121012201 in words is "one hundred twenty-one billion, one hundred twenty-one million, twelve thousand, two hundred one".