2051211612301 has 4 divisors (see below), whose sum is σ = 2051233057600. Its totient is φ = 2051190167004.

The previous prime is 2051211612259. The next prime is 2051211612349. The reversal of 2051211612301 is 1032161121502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2051211612301 - 2²⁹ = 2050674741389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051211612371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10578531 + ... + 10770688.

It is an arithmetic number, because the mean of its divisors is an integer number (512808264400).

Almost surely, 2^{2051211612301} is an apocalyptic number.

It is an amenable number.

2051211612301 is a deficient number, since it is larger than the sum of its proper divisors (21445299).

2051211612301 is an equidigital number, since it uses as much as digits as its factorization.

2051211612301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21445298.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 2051211612301 its reverse (1032161121502), we get a palindrome (3083372733803).

The spelling of 2051211612301 in words is "two trillion, fifty-one billion, two hundred eleven million, six hundred twelve thousand, three hundred one".