2200012121100 has 72 divisors (see below), whose sum is σ = 6400536342928. Its totient is φ = 583428614400.

The previous prime is 2200012121081. The next prime is 2200012121117. The reversal of 2200012121100 is 11212100022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20203639 + ... + 20312238.

Almost surely, 2^{2200012121100} is an apocalyptic number.

2200012121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200012121100 is an abundant number, since it is smaller than the sum of its proper divisors (4200524221828).

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

2200012121100 is a wasteful number, since it uses less digits than its factorization.

2200012121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40516075 (or 40516068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2200012121100 its reverse (11212100022), we get a palindrome (2211224221122).

The spelling of 2200012121100 in words is "two trillion, two hundred billion, twelve million, one hundred twenty-one thousand, one hundred".