2101504151 has 2 divisors, whose sum is σ = 2101504152. Its totient is φ = 2101504150.

The previous prime is 2101504121. The next prime is 2101504157. The reversal of 2101504151 is 1514051012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101504151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101504157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050752075 + 1050752076.

It is an arithmetic number, because the mean of its divisors is an integer number (1050752076).

Almost surely, 2^2101504151 is an apocalyptic number.

2101504151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101504151 is an equidigital number, since it uses as much as digits as its factorization.

2101504151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 2101504151 is about 45842.1656447424. The cubic root of 2101504151 is about 1280.8848355796.

Adding to 2101504151 its reverse (1514051012), we get a palindrome (3615555163).

The spelling of 2101504151 in words is "two billion, one hundred one million, five hundred four thousand, one hundred fifty-one".