201202122151 has 2 divisors, whose sum is σ = 201202122152. Its totient is φ = 201202122150.

The previous prime is 201202122139. The next prime is 201202122193. The reversal of 201202122151 is 151221202102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201202122151 - 2⁹ = 201202121639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201202122101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100601061075 + 100601061076.

It is an arithmetic number, because the mean of its divisors is an integer number (100601061076).

Almost surely, 2^201202122151 is an apocalyptic number.

201202122151 is a deficient number, since it is larger than the sum of its proper divisors (1).

201202122151 is an equidigital number, since it uses as much as digits as its factorization.

201202122151 is an evil number, because the sum of its binary digits is even.

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

Adding to 201202122151 its reverse (151221202102), we get a palindrome (352423324253).

The spelling of 201202122151 in words is "two hundred one billion, two hundred two million, one hundred twenty-two thousand, one hundred fifty-one".