2122110473640 has 256 divisors, whose sum is σ = 6576186839040. Its totient is φ = 547491840000.

The previous prime is 2122110473597. The next prime is 2122110473647. The reversal of 2122110473640 is 463740112212.

It is not an unprimeable number, because it can be changed into a prime (2122110473647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 316682290 + ... + 316688990.

It is an arithmetic number, because the mean of its divisors is an integer number (25688229840).

Almost surely, 2^{2122110473640} is an apocalyptic number.

2122110473640 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 2122110473640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3288093419520).

2122110473640 is an abundant number, since it is smaller than the sum of its proper divisors (4454076365400).

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

2122110473640 is a wasteful number, since it uses less digits than its factorization.

2122110473640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284 (or 7280 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

Adding to 2122110473640 its reverse (463740112212), we get a palindrome (2585850585852).

The spelling of 2122110473640 in words is "two trillion, one hundred twenty-two billion, one hundred ten million, four hundred seventy-three thousand, six hundred forty".