211101102020005 has 8 divisors (see below), whose sum is σ = 253330817030424. Its totient is φ = 168874551878400.

The previous prime is 211101102019999. The next prime is 211101102020101. The reversal of 211101102020005 is 500020201101112.

It can be written as a sum of positive squares in 4 ways, for example, as 35526570813889 + 175574531206116 = 5960417^2 + 13250454^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211101102020005 - 2¹⁷ = 211101101888933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791070456 + ... + 791337265.

It is an arithmetic number, because the mean of its divisors is an integer number (31666352128803).

Almost surely, 2^{211101102020005} is an apocalyptic number.

It is an amenable number.

211101102020005 is a deficient number, since it is larger than the sum of its proper divisors (42229715010419).

211101102020005 is a wasteful number, since it uses less digits than its factorization.

211101102020005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582434407.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 211101102020005 its reverse (500020201101112), we get a palindrome (711121303121117).

The spelling of 211101102020005 in words is "two hundred eleven trillion, one hundred one billion, one hundred two million, twenty thousand, five".