1121000011201 has 40 divisors (see below), whose sum is σ = 1326822227104. Its totient is φ = 946871311680.

The previous prime is 1121000011177. The next prime is 1121000011207. The reversal of 1121000011201 is 1021100001211.

It is not a de Polignac number, because 1121000011201 - 2⁵ = 1121000011169 is a prime.

It is a super-2 number, since 2×1121000011201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121000011207) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 285167206 + ... + 285171136.

Almost surely, 2^{1121000011201} is an apocalyptic number.

It is an amenable number.

1121000011201 is a deficient number, since it is larger than the sum of its proper divisors (205822215903).

1121000011201 is an frugal number, since it uses more digits than its factorization.

1121000011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659 (or 5638 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1121000011201 its reverse (1021100001211), we get a palindrome (2142100012412).

The spelling of 1121000011201 in words is "one trillion, one hundred twenty-one billion, eleven thousand, two hundred one".