2211122435120 has 20 divisors (see below), whose sum is σ = 5140859661840. Its totient is φ = 884448974016.

The previous prime is 2211122435113. The next prime is 2211122435143. The reversal of 2211122435120 is 215342211122.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 2211122435120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13819515140 + ... + 13819515299.

It is an arithmetic number, because the mean of its divisors is an integer number (257042983092).

Almost surely, 2^{2211122435120} is an apocalyptic number.

2211122435120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211122435120 is an abundant number, since it is smaller than the sum of its proper divisors (2929737226720).

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

2211122435120 is a wasteful number, since it uses less digits than its factorization.

2211122435120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27639030452 (or 27639030446 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 2211122435120 its reverse (215342211122), we get a palindrome (2426464646242).

The spelling of 2211122435120 in words is "two trillion, two hundred eleven billion, one hundred twenty-two million, four hundred thirty-five thousand, one hundred twenty".