2211111012001 has 8 divisors (see below), whose sum is σ = 2218430822400. Its totient is φ = 2203795691328.

The previous prime is 2211111011917. The next prime is 2211111012007. The reversal of 2211111012001 is 1002101111122.

It is a happy number.

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 2211111012001 - 2¹⁹ = 2211110487713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211111012007) 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, 134401 + ... + 2107198.

It is an arithmetic number, because the mean of its divisors is an integer number (277303852800).

Almost surely, 2^{2211111012001} is an apocalyptic number.

It is an amenable number.

2211111012001 is a deficient number, since it is larger than the sum of its proper divisors (7319810399).

2211111012001 is a wasteful number, since it uses less digits than its factorization.

2211111012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244863.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2211111012001 its reverse (1002101111122), we get a palindrome (3213212123123).

The spelling of 2211111012001 in words is "two trillion, two hundred eleven billion, one hundred eleven million, twelve thousand, one".