2000131120121 has 4 divisors (see below), whose sum is σ = 2002567334244. Its totient is φ = 1997694906000.

The previous prime is 2000131120111. The next prime is 2000131120129. The reversal of 2000131120121 is 1210211310002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 181530532096 + 1818600588025 = 426064^2 + 1348555^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000131120121 - 2¹⁰ = 2000131119097 is a prime.

It is a super-2 number, since 2×2000131120121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000131120096 and 2000131120105.

It is not an unprimeable number, because it can be changed into a prime (2000131120129) 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, 1218105830 + ... + 1218107471.

It is an arithmetic number, because the mean of its divisors is an integer number (500641833561).

Almost surely, 2^{2000131120121} is an apocalyptic number.

It is an amenable number.

2000131120121 is a deficient number, since it is larger than the sum of its proper divisors (2436214123).

2000131120121 is an equidigital number, since it uses as much as digits as its factorization.

2000131120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436214122.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2000131120121 its reverse (1210211310002), we get a palindrome (3210342430123).

The spelling of 2000131120121 in words is "two trillion, one hundred thirty-one million, one hundred twenty thousand, one hundred twenty-one".