21110001313011 has 64 divisors (see below), whose sum is σ = 31748491192320. Its totient is φ = 12386358673920.

The previous prime is 21110001312941. The next prime is 21110001313013. The reversal of 21110001313011 is 11031310001112.

It is not a de Polignac number, because 21110001313011 - 2²¹ = 21109999215859 is a prime.

It is a super-2 number, since 2×21110001313011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21110001313013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 223464390 + ... + 223558836.

It is an arithmetic number, because the mean of its divisors is an integer number (496070174880).

Almost surely, 2^{21110001313011} is an apocalyptic number.

21110001313011 is a deficient number, since it is larger than the sum of its proper divisors (10638489879309).

21110001313011 is a wasteful number, since it uses less digits than its factorization.

21110001313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96956.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 21110001313011 its reverse (11031310001112), we get a palindrome (32141311314123).

The spelling of 21110001313011 in words is "twenty-one trillion, one hundred ten billion, one million, three hundred thirteen thousand, eleven".