120210200021251 has 2 divisors, whose sum is σ = 120210200021252. Its totient is φ = 120210200021250.

The previous prime is 120210200021183. The next prime is 120210200021279. The reversal of 120210200021251 is 152120002012021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120210200021251 - 2³³ = 120201610086659 is a prime.

It is not a weakly prime, because it can be changed into another prime (120210200021651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105100010625 + 60105100010626.

It is an arithmetic number, because the mean of its divisors is an integer number (60105100010626).

Almost surely, 2^{120210200021251} is an apocalyptic number.

120210200021251 is a deficient number, since it is larger than the sum of its proper divisors (1).

120210200021251 is an equidigital number, since it uses as much as digits as its factorization.

120210200021251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 120210200021251 its reverse (152120002012021), we get a palindrome (272330202033272).

The spelling of 120210200021251 in words is "one hundred twenty trillion, two hundred ten billion, two hundred million, twenty-one thousand, two hundred fifty-one".