120000020202021 has 4 divisors (see below), whose sum is σ = 160000026936032. Its totient is φ = 80000013468012.

The previous prime is 120000020202017. The next prime is 120000020202037. The reversal of 120000020202021 is 120202020000021.

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 not a de Polignac number, because 120000020202021 - 2² = 120000020202017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120000020201988 and 120000020202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000020272021) 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 3 ways as a sum of consecutive naturals, for example, 20000003367001 + ... + 20000003367006.

It is an arithmetic number, because the mean of its divisors is an integer number (40000006734008).

Almost surely, 2^{120000020202021} is an apocalyptic number.

It is an amenable number.

120000020202021 is a deficient number, since it is larger than the sum of its proper divisors (40000006734011).

120000020202021 is an equidigital number, since it uses as much as digits as its factorization.

120000020202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40000006734010.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 120000020202021 its reverse (120202020000021), we get a palindrome (240202040202042).

The spelling of 120000020202021 in words is "one hundred twenty trillion, twenty million, two hundred two thousand, twenty-one".