120210212002121 has 4 divisors (see below), whose sum is σ = 120210239677392. Its totient is φ = 120210184326852.

The previous prime is 120210212002063. The next prime is 120210212002183. The reversal of 120210212002121 is 121200212012021.

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 120210212002121 - 2⁶ = 120210212002057 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 120210212002121.

It is not an unprimeable number, because it can be changed into a prime (120210212002921) 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, 5744411 + ... + 16535376.

It is an arithmetic number, because the mean of its divisors is an integer number (30052559919348).

Almost surely, 2^{120210212002121} is an apocalyptic number.

It is an amenable number.

120210212002121 is a deficient number, since it is larger than the sum of its proper divisors (27675271).

120210212002121 is an equidigital number, since it uses as much as digits as its factorization.

120210212002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27675270.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120210212002121 its reverse (121200212012021), we get a palindrome (241410424014142).

The spelling of 120210212002121 in words is "one hundred twenty trillion, two hundred ten billion, two hundred twelve million, two thousand, one hundred twenty-one".