2000001121101 has 24 divisors (see below), whose sum is σ = 2921548514040. Its totient is φ = 1318263192576.

The previous prime is 2000001121051. The next prime is 2000001121117. The reversal of 2000001121101 is 1011211000002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1029766271076 + 970234850025 = 1014774^2 + 985005^2 .

It is not a de Polignac number, because 2000001121101 - 2⁷ = 2000001120973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000001121301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12957955 + ... + 13111391.

It is an arithmetic number, because the mean of its divisors is an integer number (121731188085).

Almost surely, 2^{2000001121101} is an apocalyptic number.

It is an amenable number.

2000001121101 is a deficient number, since it is larger than the sum of its proper divisors (921547392939).

2000001121101 is a wasteful number, since it uses less digits than its factorization.

2000001121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169805 (or 169802 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2000001121101 its reverse (1011211000002), we get a palindrome (3011212121103).

The spelling of 2000001121101 in words is "two trillion, one million, one hundred twenty-one thousand, one hundred one".