2211197849280 has 2240 divisors, whose sum is σ = 9686963404800. Its totient is φ = 477956505600.

The previous prime is 2211197849239. The next prime is 2211197849299. The reversal of 2211197849280 is 829487911122.

2211197849280 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 1 + 9 + 78 + 492 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (2240).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 19568122504 + ... + 19568122616.

Almost surely, 2^{2211197849280} is an apocalyptic number.

2211197849280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211197849280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4843481702400).

2211197849280 is an abundant number, since it is smaller than the sum of its proper divisors (7475765555520).

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

2211197849280 is a wasteful number, since it uses less digits than its factorization.

2211197849280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 2211197849280 in words is "two trillion, two hundred eleven billion, one hundred ninety-seven million, eight hundred forty-nine thousand, two hundred eighty".