2021000011120 has 20 divisors (see below), whose sum is σ = 4698825026040. Its totient is φ = 808400004416.

The previous prime is 2021000011091. The next prime is 2021000011133. The reversal of 2021000011120 is 211100001202.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2021000011097 and 2021000011106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12631249990 + ... + 12631250149.

It is an arithmetic number, because the mean of its divisors is an integer number (234941251302).

Almost surely, 2^{2021000011120} is an apocalyptic number.

2021000011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021000011120 is an abundant number, since it is smaller than the sum of its proper divisors (2677825014920).

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

2021000011120 is a wasteful number, since it uses less digits than its factorization.

2021000011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25262500152 (or 25262500146 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2021000011120 its reverse (211100001202), we get a palindrome (2232100012322).

The spelling of 2021000011120 in words is "two trillion, twenty-one billion, eleven thousand, one hundred twenty".