2112020201101 has 4 divisors (see below), whose sum is σ = 2112023577312. Its totient is φ = 2112016824892.

The previous prime is 2112020201063. The next prime is 2112020201111. The reversal of 2112020201101 is 1011020202112.

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 not a de Polignac number, because 2112020201101 - 2¹¹ = 2112020199053 is a prime.

It is a super-2 number, since 2×2112020201101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112020201111) 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, 444271 + ... + 2102716.

It is an arithmetic number, because the mean of its divisors is an integer number (528005894328).

Almost surely, 2^{2112020201101} is an apocalyptic number.

It is an amenable number.

2112020201101 is a deficient number, since it is larger than the sum of its proper divisors (3376211).

2112020201101 is an equidigital number, since it uses as much as digits as its factorization.

2112020201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376210.

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

Adding to 2112020201101 its reverse (1011020202112), we get a palindrome (3123040403213).

The spelling of 2112020201101 in words is "two trillion, one hundred twelve billion, twenty million, two hundred one thousand, one hundred one".