2211222001111 has 8 divisors (see below), whose sum is σ = 2222528775984. Its totient is φ = 2199916057920.

The previous prime is 2211222001097. The next prime is 2211222001139. The reversal of 2211222001111 is 1111002221122.

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 2211222001111 - 2⁷ = 2211222000983 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211222008111) 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, 5526196 + ... + 5912806.

It is an arithmetic number, because the mean of its divisors is an integer number (277816096998).

Almost surely, 2^{2211222001111} is an apocalyptic number.

2211222001111 is a deficient number, since it is larger than the sum of its proper divisors (11306774873).

2211222001111 is a wasteful number, since it uses less digits than its factorization.

2211222001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415841.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2211222001111 its reverse (1111002221122), we get a palindrome (3322224222233).

The spelling of 2211222001111 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, one thousand, one hundred eleven".