20122123111130 has 64 divisors (see below), whose sum is σ = 36971113577760. Its totient is φ = 7882462887936.

The previous prime is 20122123111121. The next prime is 20122123111157. The reversal of 20122123111130 is 3111132122102.

It can be written as a sum of positive squares in 16 ways, for example, as 11497992575161 + 8624130535969 = 3390869^2 + 2936687^2 .

It is a super-3 number, since 3×20122123111130³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1217374706 + ... + 1217391234.

Almost surely, 2^{20122123111130} is an apocalyptic number.

20122123111130 is a deficient number, since it is larger than the sum of its proper divisors (16848990466630).

20122123111130 is a wasteful number, since it uses less digits than its factorization.

20122123111130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20675.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 20122123111130 its reverse (3111132122102), we get a palindrome (23233255233232).

The spelling of 20122123111130 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-three million, one hundred eleven thousand, one hundred thirty".