2211811707380 has 48 divisors (see below), whose sum is σ = 5241785754240. Its totient is φ = 776560848000.

The previous prime is 2211811707373. The next prime is 2211811707389. The reversal of 2211811707380 is 837071181122.

It is a super-2 number, since 2×2211811707380² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211811707389) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 173333096 + ... + 173345855.

It is an arithmetic number, because the mean of its divisors is an integer number (109203869880).

Almost surely, 2^{2211811707380} is an apocalyptic number.

2211811707380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211811707380 is an abundant number, since it is smaller than the sum of its proper divisors (3029974046860).

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

2211811707380 is a wasteful number, since it uses less digits than its factorization.

2211811707380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346679000 (or 346678998 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 41.

The spelling of 2211811707380 in words is "two trillion, two hundred eleven billion, eight hundred eleven million, seven hundred seven thousand, three hundred eighty".