2211110111001 has 12 divisors (see below), whose sum is σ = 3240525011696. Its totient is φ = 1340066733720.

The previous prime is 2211110110987. The next prime is 2211110111027. The reversal of 2211110111001 is 1001110111122.

It is not a de Polignac number, because 2211110111001 - 2¹¹ = 2211110108953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211110111081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3045605851 + ... + 3045606576.

Almost surely, 2^{2211110111001} is an apocalyptic number.

It is an amenable number.

2211110111001 is a deficient number, since it is larger than the sum of its proper divisors (1029414900695).

2211110111001 is a wasteful number, since it uses less digits than its factorization.

2211110111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6091212452 (or 6091212441 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 2211110111001 its reverse (1001110111122), we get a palindrome (3212220222123).

The spelling of 2211110111001 in words is "two trillion, two hundred eleven billion, one hundred ten million, one hundred eleven thousand, one".