20202111123130 has 8 divisors (see below), whose sum is σ = 36363800021652. Its totient is φ = 8080844449248.

The previous prime is 20202111123113. The next prime is 20202111123133. The reversal of 20202111123130 is 3132111120202.

It can be written as a sum of positive squares in 2 ways, for example, as 20191730977441 + 10380145689 = 4493521^2 + 101883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20202111123098 and 20202111123107.

It is not an unprimeable number, because it can be changed into a prime (20202111123133) 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, 1010105556147 + ... + 1010105556166.

Almost surely, 2^{20202111123130} is an apocalyptic number.

20202111123130 is a deficient number, since it is larger than the sum of its proper divisors (16161688898522).

20202111123130 is a wasteful number, since it uses less digits than its factorization.

20202111123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020211112320.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20202111123130 its reverse (3132111120202), we get a palindrome (23334222243332).

The spelling of 20202111123130 in words is "twenty trillion, two hundred two billion, one hundred eleven million, one hundred twenty-three thousand, one hundred thirty".