2123130021122 has 16 divisors (see below), whose sum is σ = 3506682043872. Its totient is φ = 956039855520.

The previous prime is 2123130020989. The next prime is 2123130021127. The reversal of 2123130021122 is 2211200313212.

It is a super-2 number, since 2×2123130021122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123130021094 and 2123130021103.

It is not an unprimeable number, because it can be changed into a prime (2123130021127) 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, 450959843 + ... + 450964550.

It is an arithmetic number, because the mean of its divisors is an integer number (219167627742).

Almost surely, 2^{2123130021122} is an apocalyptic number.

2123130021122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2123130021122 is a deficient number, since it is larger than the sum of its proper divisors (1383552022750).

2123130021122 is a wasteful number, since it uses less digits than its factorization.

2123130021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901924513.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2123130021122 its reverse (2211200313212), we get a palindrome (4334330334334).

The spelling of 2123130021122 in words is "two trillion, one hundred twenty-three billion, one hundred thirty million, twenty-one thousand, one hundred twenty-two".