1121000122201 has 4 divisors (see below), whose sum is σ = 1121082398992. Its totient is φ = 1120917845412.

The previous prime is 1121000122147. The next prime is 1121000122243. The reversal of 1121000122201 is 1022210001211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121000122201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121000122261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41117955 + ... + 41145208.

It is an arithmetic number, because the mean of its divisors is an integer number (280270599748).

Almost surely, 2^{1121000122201} is an apocalyptic number.

It is an amenable number.

1121000122201 is a deficient number, since it is larger than the sum of its proper divisors (82276791).

1121000122201 is an equidigital number, since it uses as much as digits as its factorization.

1121000122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82276790.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1121000122201 its reverse (1022210001211), we get a palindrome (2143210123412).

The spelling of 1121000122201 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two thousand, two hundred one".