2112222001101 has 8 divisors (see below), whose sum is σ = 2816303720640. Its totient is φ = 1408144141152.

The previous prime is 2112222001091. The next prime is 2112222001147. The reversal of 2112222001101 is 1011002222112.

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

It is not a de Polignac number, because 2112222001101 - 2¹⁵ = 2112221968333 is a prime.

It is a super-2 number, since 2×2112222001101² (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 (2112222001501) 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, 744865 + ... + 2186153.

It is an arithmetic number, because the mean of its divisors is an integer number (352037965080).

Almost surely, 2^{2112222001101} is an apocalyptic number.

It is an amenable number.

2112222001101 is a deficient number, since it is larger than the sum of its proper divisors (704081719539).

2112222001101 is a wasteful number, since it uses less digits than its factorization.

2112222001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929795.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112222001101 its reverse (1011002222112), we get a palindrome (3123224223213).

The spelling of 2112222001101 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, one thousand, one hundred one".