5011211701721 has 16 divisors (see below), whose sum is σ = 5044402707840. Its totient is φ = 4978081799040.

The previous prime is 5011211701669. The next prime is 5011211701723. The reversal of 5011211701721 is 1271071121105.

It is a cyclic number.

It is not a de Polignac number, because 5011211701721 - 2¹⁰ = 5011211700697 is a prime.

It is a super-2 number, since 2×5011211701721² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5011211701723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1188333605 + ... + 1188337821.

It is an arithmetic number, because the mean of its divisors is an integer number (315275169240).

Almost surely, 2^{5011211701721} is an apocalyptic number.

It is an amenable number.

5011211701721 is a deficient number, since it is larger than the sum of its proper divisors (33191006119).

5011211701721 is a wasteful number, since it uses less digits than its factorization.

5011211701721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664.

The product of its (nonzero) digits is 980, while the sum is 29.

Adding to 5011211701721 its reverse (1271071121105), we get a palindrome (6282282822826).

The spelling of 5011211701721 in words is "five trillion, eleven billion, two hundred eleven million, seven hundred one thousand, seven hundred twenty-one".