2112201121101 has 8 divisors (see below), whose sum is σ = 2820648052320. Its totient is φ = 1405944135312.

The previous prime is 2112201121097. The next prime is 2112201121117. The reversal of 2112201121101 is 1011211022112.

It is a happy number.

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

It is not a de Polignac number, because 2112201121101 - 2² = 2112201121097 is a prime.

It is a super-2 number, since 2×2112201121101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112201121171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547484106 + ... + 547487963.

It is an arithmetic number, because the mean of its divisors is an integer number (352581006540).

Almost surely, 2^{2112201121101} is an apocalyptic number.

It is an amenable number.

2112201121101 is a deficient number, since it is larger than the sum of its proper divisors (708446931219).

2112201121101 is a wasteful number, since it uses less digits than its factorization.

2112201121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094972715.

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

Adding to 2112201121101 its reverse (1011211022112), we get a palindrome (3123412143213).

The spelling of 2112201121101 in words is "two trillion, one hundred twelve billion, two hundred one million, one hundred twenty-one thousand, one hundred one".