20012100011120 has 40 divisors (see below), whose sum is σ = 53175008602464. Its totient is φ = 6861291432192.

The previous prime is 20012100011093. The next prime is 20012100011129. The reversal of 20012100011120 is 2111000121002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012100011129) 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, 17867945879 + ... + 17867946998.

Almost surely, 2^{20012100011120} is an apocalyptic number.

20012100011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012100011120 is an abundant number, since it is smaller than the sum of its proper divisors (33162908591344).

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

20012100011120 is a wasteful number, since it uses less digits than its factorization.

20012100011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35735892897 (or 35735892891 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20012100011120 its reverse (2111000121002), we get a palindrome (22123100132122).

The spelling of 20012100011120 in words is "twenty trillion, twelve billion, one hundred million, eleven thousand, one hundred twenty".