1200121112201 has 32 divisors (see below), whose sum is σ = 1351069632000. Its totient is φ = 1056613582080.

The previous prime is 1200121112137. The next prime is 1200121112249. The reversal of 1200121112201 is 1022111210021.

It is a cyclic number.

It is not a de Polignac number, because 1200121112201 - 2⁶ = 1200121112137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200121112251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29359025 + ... + 29399873.

It is an arithmetic number, because the mean of its divisors is an integer number (42220926000).

Almost surely, 2^{1200121112201} is an apocalyptic number.

1200121112201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1200121112201 is a deficient number, since it is larger than the sum of its proper divisors (150948519799).

1200121112201 is a wasteful number, since it uses less digits than its factorization.

1200121112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41429.

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

Adding to 1200121112201 its reverse (1022111210021), we get a palindrome (2222232322222).

The spelling of 1200121112201 in words is "one trillion, two hundred billion, one hundred twenty-one million, one hundred twelve thousand, two hundred one".