51106062100211 has 4 divisors (see below), whose sum is σ = 51106253320752. Its totient is φ = 51105870879672.

The previous prime is 51106062100193. The next prime is 51106062100213. The reversal of 51106062100211 is 11200126060115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51106062100211 - 2³⁰ = 51104988358387 is a prime.

It is a super-2 number, since 2×51106062100211² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51106062100213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95208815 + ... + 95744088.

It is an arithmetic number, because the mean of its divisors is an integer number (12776563330188).

Almost surely, 2^{51106062100211} is an apocalyptic number.

51106062100211 is a deficient number, since it is larger than the sum of its proper divisors (191220541).

51106062100211 is a wasteful number, since it uses less digits than its factorization.

51106062100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191220540.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 51106062100211 its reverse (11200126060115), we get a palindrome (62306188160326).

The spelling of 51106062100211 in words is "fifty-one trillion, one hundred six billion, sixty-two million, one hundred thousand, two hundred eleven".