2211111001002 has 8 divisors (see below), whose sum is σ = 4422222002016. Its totient is φ = 737037000332.

The previous prime is 2211111000997. The next prime is 2211111001031. The reversal of 2211111001002 is 2001001111122.

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

2211111001002 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184259250078 + ... + 184259250089.

It is an arithmetic number, because the mean of its divisors is an integer number (552777750252).

Almost surely, 2^{2211111001002} is an apocalyptic number.

2211111001002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211111001002 is a wasteful number, since it uses less digits than its factorization.

2211111001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368518500172.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2211111001002 its reverse (2001001111122), we get a palindrome (4212112112124).

The spelling of 2211111001002 in words is "two trillion, two hundred eleven billion, one hundred eleven million, one thousand, two".