2000120202121 has 4 divisors (see below), whose sum is σ = 2007500719744. Its totient is φ = 1992739684500.

The previous prime is 2000120202097. The next prime is 2000120202127. The reversal of 2000120202121 is 1212020210002.

It is a happy number.

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 2000120202121 - 2²¹ = 2000118104969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000120202127) 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, 3690258405 + ... + 3690258946.

It is an arithmetic number, because the mean of its divisors is an integer number (501875179936).

Almost surely, 2^{2000120202121} is an apocalyptic number.

It is an amenable number.

2000120202121 is a deficient number, since it is larger than the sum of its proper divisors (7380517623).

2000120202121 is an equidigital number, since it uses as much as digits as its factorization.

2000120202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380517622.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2000120202121 its reverse (1212020210002), we get a palindrome (3212140412123).

The spelling of 2000120202121 in words is "two trillion, one hundred twenty million, two hundred two thousand, one hundred twenty-one".