11020216401 has 16 divisors (see below), whose sum is σ = 16328822400. Its totient is φ = 7345651824.

The previous prime is 11020216387. The next prime is 11020216409. The reversal of 11020216401 is 10461202011.

11020216401 is a `hidden beast` number, since 1 + 1 + 0 + 2 + 0 + 21 + 640 + 1 = 666.

It is not a de Polignac number, because 11020216401 - 2⁹ = 11020215889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020216409) 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, 163795 + ... + 221063.

It is an arithmetic number, because the mean of its divisors is an integer number (1020551400).

Almost surely, 2^11020216401 is an apocalyptic number.

It is an amenable number.

11020216401 is a deficient number, since it is larger than the sum of its proper divisors (5308605999).

11020216401 is an equidigital number, since it uses as much as digits as its factorization.

11020216401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64405 (or 64399 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11020216401 its reverse (10461202011), we get a palindrome (21481418412).

The spelling of 11020216401 in words is "eleven billion, twenty million, two hundred sixteen thousand, four hundred one".