2122011122320 has 20 divisors (see below), whose sum is σ = 4933675859580. Its totient is φ = 848804448896.

The previous prime is 2122011122299. The next prime is 2122011122323. The reversal of 2122011122320 is 232211102212.

It can be written as a sum of positive squares in 2 ways, for example, as 307408149136 + 1814602973184 = 554444^2 + 1347072^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2122011122323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13262569435 + ... + 13262569594.

It is an arithmetic number, because the mean of its divisors is an integer number (246683792979).

Almost surely, 2^{2122011122320} is an apocalyptic number.

2122011122320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122011122320 is an abundant number, since it is smaller than the sum of its proper divisors (2811664737260).

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

2122011122320 is a wasteful number, since it uses less digits than its factorization.

2122011122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26525139042 (or 26525139036 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2122011122320 its reverse (232211102212), we get a palindrome (2354222224532).

The spelling of 2122011122320 in words is "two trillion, one hundred twenty-two billion, eleven million, one hundred twenty-two thousand, three hundred twenty".