2012110021100 has 18 divisors (see below), whose sum is σ = 4366278746004. Its totient is φ = 804844008400.

The previous prime is 2012110021099. The next prime is 2012110021169. The reversal of 2012110021100 is 11200112102.

It is a super-2 number, since 2×2012110021100² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10060550006 + ... + 10060550205.

Almost surely, 2^{2012110021100} is an apocalyptic number.

2012110021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012110021100 is an abundant number, since it is smaller than the sum of its proper divisors (2354168724904).

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

2012110021100 is a wasteful number, since it uses less digits than its factorization.

2012110021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20121100225 (or 20121100218 counting only the distinct ones).

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

Adding to 2012110021100 its reverse (11200112102), we get a palindrome (2023310133202).

It can be divided in two parts, 201211002 and 1100, that added together give a palindrome (201212102).

The spelling of 2012110021100 in words is "two trillion, twelve billion, one hundred ten million, twenty-one thousand, one hundred".