2211011111000 has 64 divisors (see below), whose sum is σ = 5202350768160. Its totient is φ = 879518160000.

The previous prime is 2211011110939. The next prime is 2211011111011. The reversal of 2211011111000 is 1111101122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5926766 + ... + 6288765.

Almost surely, 2^{2211011111000} is an apocalyptic number.

2211011111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211011111000 is an abundant number, since it is smaller than the sum of its proper divisors (2991339657160).

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

2211011111000 is a wasteful number, since it uses less digits than its factorization.

2211011111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12215733 (or 12215719 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2211011111000 its reverse (1111101122), we get a palindrome (2212122212122).

The spelling of 2211011111000 in words is "two trillion, two hundred eleven billion, eleven million, one hundred eleven thousand".