1121000121201 has 32 divisors (see below), whose sum is σ = 1631854915200. Its totient is φ = 682044364800.

The previous prime is 1121000121173. The next prime is 1121000121247. The reversal of 1121000121201 is 1021210001211.

It is not a de Polignac number, because 1121000121201 - 2¹¹ = 1121000119153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121000121401) 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, 2418336 + ... + 2844353.

It is an arithmetic number, because the mean of its divisors is an integer number (50995466100).

Almost surely, 2^{1121000121201} is an apocalyptic number.

It is an amenable number.

1121000121201 is a deficient number, since it is larger than the sum of its proper divisors (510854793999).

1121000121201 is a wasteful number, since it uses less digits than its factorization.

1121000121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262849.

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

Adding to 1121000121201 its reverse (1021210001211), we get a palindrome (2142210122412).

The spelling of 1121000121201 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one thousand, two hundred one".