2012200121101 has 4 divisors (see below), whose sum is σ = 2099687082912. Its totient is φ = 1924713159292.

The previous prime is 2012200121093. The next prime is 2012200121159. The reversal of 2012200121101 is 1011210022102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2012200121101 - 2³ = 2012200121093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012200121171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43743480871 + ... + 43743480916.

It is an arithmetic number, because the mean of its divisors is an integer number (524921770728).

Almost surely, 2^{2012200121101} is an apocalyptic number.

It is an amenable number.

2012200121101 is a deficient number, since it is larger than the sum of its proper divisors (87486961811).

2012200121101 is an equidigital number, since it uses as much as digits as its factorization.

2012200121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87486961810.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2012200121101 its reverse (1011210022102), we get a palindrome (3023410143203).

The spelling of 2012200121101 in words is "two trillion, twelve billion, two hundred million, one hundred twenty-one thousand, one hundred one".