2112210211101 has 8 divisors (see below), whose sum is σ = 2964505559520. Its totient is φ = 1334027501712.

The previous prime is 2112210211081. The next prime is 2112210211127. The reversal of 2112210211101 is 1011120122112.

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 2112210211101 - 2⁹ = 2112210210589 is a prime.

It is a super-2 number, since 2×2112210211101² (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 (2112210261101) 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, 18528159690 + ... + 18528159803.

It is an arithmetic number, because the mean of its divisors is an integer number (370563194940).

Almost surely, 2^{2112210211101} is an apocalyptic number.

It is an amenable number.

2112210211101 is a deficient number, since it is larger than the sum of its proper divisors (852295348419).

2112210211101 is a wasteful number, since it uses less digits than its factorization.

2112210211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37056319515.

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

Adding to 2112210211101 its reverse (1011120122112), we get a palindrome (3123330333213).

The spelling of 2112210211101 in words is "two trillion, one hundred twelve billion, two hundred ten million, two hundred eleven thousand, one hundred one".