2112201112211 has 8 divisors (see below), whose sum is σ = 2113918331664. Its totient is φ = 2110484234880.

The previous prime is 2112201112207. The next prime is 2112201112237. The reversal of 2112201112211 is 1122111022112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112201112211 - 2² = 2112201112207 is a prime.

It is a super-2 number, since 2×2112201112211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112201112211.

It is not an unprimeable number, because it can be changed into a prime (2112201312211) 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, 13084751 + ... + 13245191.

It is an arithmetic number, because the mean of its divisors is an integer number (264239791458).

Almost surely, 2^{2112201112211} is an apocalyptic number.

2112201112211 is a deficient number, since it is larger than the sum of its proper divisors (1717219453).

2112201112211 is a wasteful number, since it uses less digits than its factorization.

2112201112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171061.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2112201112211 its reverse (1122111022112), we get a palindrome (3234312134323).

Subtracting from 2112201112211 its reverse (1122111022112), we obtain a palindrome (990090090099).

The spelling of 2112201112211 in words is "two trillion, one hundred twelve billion, two hundred one million, one hundred twelve thousand, two hundred eleven".