2122022111120 has 40 divisors (see below), whose sum is σ = 5026790124216. Its totient is φ = 832793581568.

The previous prime is 2122022111107. The next prime is 2122022111123. The reversal of 2122022111120 is 211112202212.

It can be written as a sum of positive squares in 4 ways, for example, as 909230903296 + 1212791207824 = 953536^2 + 1101268^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2122022111123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250234217 + ... + 250242696.

Almost surely, 2^{2122022111120} is an apocalyptic number.

2122022111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122022111120 is an abundant number, since it is smaller than the sum of its proper divisors (2904768013096).

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

2122022111120 is a wasteful number, since it uses less digits than its factorization.

2122022111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500476979 (or 500476973 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2122022111120 its reverse (211112202212), we get a palindrome (2333134313332).

The spelling of 2122022111120 in words is "two trillion, one hundred twenty-two billion, twenty-two million, one hundred eleven thousand, one hundred twenty".