210220120151 has 2 divisors, whose sum is σ = 210220120152. Its totient is φ = 210220120150.

The previous prime is 210220120147. The next prime is 210220120163. The reversal of 210220120151 is 151021022012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210220120151 - 2² = 210220120147 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210220120171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105110060075 + 105110060076.

It is an arithmetic number, because the mean of its divisors is an integer number (105110060076).

Almost surely, 2^210220120151 is an apocalyptic number.

210220120151 is a deficient number, since it is larger than the sum of its proper divisors (1).

210220120151 is an equidigital number, since it uses as much as digits as its factorization.

210220120151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 210220120151 its reverse (151021022012), we get a palindrome (361241142163).

The spelling of 210220120151 in words is "two hundred ten billion, two hundred twenty million, one hundred twenty thousand, one hundred fifty-one".