120002020222121 has 4 divisors (see below), whose sum is σ = 123873053132544. Its totient is φ = 116130987311700.

The previous prime is 120002020222103. The next prime is 120002020222127. The reversal of 120002020222121 is 121222020200021.

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 a de Polignac number, because none of the positive numbers 2^k-120002020222121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120002020222121.

It is not an unprimeable number, because it can be changed into a prime (120002020222127) 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, 1935516455165 + ... + 1935516455226.

It is an arithmetic number, because the mean of its divisors is an integer number (30968263283136).

Almost surely, 2^{120002020222121} is an apocalyptic number.

It is an amenable number.

120002020222121 is a deficient number, since it is larger than the sum of its proper divisors (3871032910423).

120002020222121 is an equidigital number, since it uses as much as digits as its factorization.

120002020222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871032910422.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120002020222121 its reverse (121222020200021), we get a palindrome (241224040422142).

The spelling of 120002020222121 in words is "one hundred twenty trillion, two billion, twenty million, two hundred twenty-two thousand, one hundred twenty-one".