2112201010111 has 4 divisors (see below), whose sum is σ = 2113610085000. Its totient is φ = 2110791935224.

The previous prime is 2112201010109. The next prime is 2112201010147. The reversal of 2112201010111 is 1110101022112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112201010111 - 2¹ = 2112201010109 is a prime.

It is a super-2 number, since 2×2112201010111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112201010091 and 2112201010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112201010151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704535196 + ... + 704538193.

It is an arithmetic number, because the mean of its divisors is an integer number (528402521250).

Almost surely, 2^{2112201010111} is an apocalyptic number.

2112201010111 is a deficient number, since it is larger than the sum of its proper divisors (1409074889).

2112201010111 is a wasteful number, since it uses less digits than its factorization.

2112201010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409074888.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2112201010111 its reverse (1110101022112), we get a palindrome (3222302032223).

The spelling of 2112201010111 in words is "two trillion, one hundred twelve billion, two hundred one million, ten thousand, one hundred eleven".