1121201122101 has 8 divisors (see below), whose sum is σ = 1501462930080. Its totient is φ = 744203364432.

The previous prime is 1121201122099. The next prime is 1121201122103. The reversal of 1121201122101 is 1012211021211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121201122099) and next prime (1121201122103).

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

It is not a de Polignac number, because 1121201122101 - 2¹ = 1121201122099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121201122103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816011775 + ... + 816013148.

It is an arithmetic number, because the mean of its divisors is an integer number (187682866260).

Almost surely, 2^{1121201122101} is an apocalyptic number.

It is an amenable number.

1121201122101 is a deficient number, since it is larger than the sum of its proper divisors (380261807979).

1121201122101 is a wasteful number, since it uses less digits than its factorization.

1121201122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632025155.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1121201122101 its reverse (1012211021211), we get a palindrome (2133412143312).

The spelling of 1121201122101 in words is "one trillion, one hundred twenty-one billion, two hundred one million, one hundred twenty-two thousand, one hundred one".