1200121110201 has 8 divisors (see below), whose sum is σ = 1723250824960. Its totient is φ = 738536067792.

The previous prime is 1200121110193. The next prime is 1200121110217. The reversal of 1200121110201 is 1020111210021.

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

It is not a de Polignac number, because 1200121110201 - 2³ = 1200121110193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200121110241) 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, 15386168041 + ... + 15386168118.

It is an arithmetic number, because the mean of its divisors is an integer number (215406353120).

Almost surely, 2^{1200121110201} is an apocalyptic number.

It is an amenable number.

1200121110201 is a deficient number, since it is larger than the sum of its proper divisors (523129714759).

1200121110201 is a wasteful number, since it uses less digits than its factorization.

1200121110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30772336175.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1200121110201 its reverse (1020111210021), we get a palindrome (2220232320222).

The spelling of 1200121110201 in words is "one trillion, two hundred billion, one hundred twenty-one million, one hundred ten thousand, two hundred one".