2121610607151 has 32 divisors (see below), whose sum is σ = 3246389508096. Its totient is φ = 1207303500000.

The previous prime is 2121610607147. The next prime is 2121610607161. The reversal of 2121610607151 is 1517060161212.

It is not a de Polignac number, because 2121610607151 - 2² = 2121610607147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121610607101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32283676 + ... + 32349326.

It is an arithmetic number, because the mean of its divisors is an integer number (101449672128).

Almost surely, 2^{2121610607151} is an apocalyptic number.

2121610607151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2121610607151 is a deficient number, since it is larger than the sum of its proper divisors (1124778900945).

2121610607151 is a wasteful number, since it uses less digits than its factorization.

2121610607151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72043.

The product of its (nonzero) digits is 5040, while the sum is 33.

Adding to 2121610607151 its reverse (1517060161212), we get a palindrome (3638670768363).

The spelling of 2121610607151 in words is "two trillion, one hundred twenty-one billion, six hundred ten million, six hundred seven thousand, one hundred fifty-one".