2211111321000 has 128 divisors (see below), whose sum is σ = 6899463567360. Its totient is φ = 589561632000.

The previous prime is 2211111320987. The next prime is 2211111321061. The reversal of 2211111321000 is 1231111122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29335362 + ... + 29410638.

It is an arithmetic number, because the mean of its divisors is an integer number (53902059120).

Almost surely, 2^{2211111321000} is an apocalyptic number.

2211111321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211111321000 is an abundant number, since it is smaller than the sum of its proper divisors (4688352246360).

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

2211111321000 is a wasteful number, since it uses less digits than its factorization.

2211111321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85092 (or 85078 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2211111321000 its reverse (1231111122), we get a palindrome (2212342432122).

The spelling of 2211111321000 in words is "two trillion, two hundred eleven billion, one hundred eleven million, three hundred twenty-one thousand".