2212101201111 has 4 divisors (see below), whose sum is σ = 2949468268152. Its totient is φ = 1474734134072.

The previous prime is 2212101201103. The next prime is 2212101201131. The reversal of 2212101201111 is 1111021012122.

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 2212101201111 - 2³ = 2212101201103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212101201131) 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, 368683533516 + ... + 368683533521.

It is an arithmetic number, because the mean of its divisors is an integer number (737367067038).

Almost surely, 2^{2212101201111} is an apocalyptic number.

2212101201111 is a deficient number, since it is larger than the sum of its proper divisors (737367067041).

2212101201111 is an equidigital number, since it uses as much as digits as its factorization.

2212101201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737367067040.

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

Adding to 2212101201111 its reverse (1111021012122), we get a palindrome (3323122213233).

The spelling of 2212101201111 in words is "two trillion, two hundred twelve billion, one hundred one million, two hundred one thousand, one hundred eleven".