5101221100111 has 4 divisors (see below), whose sum is σ = 5148021293800. Its totient is φ = 5054420906424.

The previous prime is 5101221100099. The next prime is 5101221100207. The reversal of 5101221100111 is 1110011221015.

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 5101221100111 - 2²³ = 5101212711503 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 (5101221101111) 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, 23400096681 + ... + 23400096898.

It is an arithmetic number, because the mean of its divisors is an integer number (1287005323450).

Almost surely, 2^{5101221100111} is an apocalyptic number.

5101221100111 is a deficient number, since it is larger than the sum of its proper divisors (46800193689).

5101221100111 is a wasteful number, since it uses less digits than its factorization.

5101221100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46800193688.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 5101221100111 its reverse (1110011221015), we get a palindrome (6211232321126).

The spelling of 5101221100111 in words is "five trillion, one hundred one billion, two hundred twenty-one million, one hundred thousand, one hundred eleven".