10020020121188 has 48 divisors (see below), whose sum is σ = 22019141760000. Its totient is φ = 3875818286880.

The previous prime is 10020020121187. The next prime is 10020020121233. The reversal of 10020020121188 is 88112102002001.

It is not an unprimeable number, because it can be changed into a prime (10020020121187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116980688 + ... + 117066311.

It is an arithmetic number, because the mean of its divisors is an integer number (458732120000).

Almost surely, 2^{10020020121188} is an apocalyptic number.

It is an amenable number.

10020020121188 is an abundant number, since it is smaller than the sum of its proper divisors (11999121638812).

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

10020020121188 is a wasteful number, since it uses less digits than its factorization.

10020020121188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234047160 (or 234047158 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 26.

Adding to 10020020121188 its reverse (88112102002001), we get a palindrome (98132122123189).

The spelling of 10020020121188 in words is "ten trillion, twenty billion, twenty million, one hundred twenty-one thousand, one hundred eighty-eight".