11012321401 has 4 divisors (see below), whose sum is σ = 11075976612. Its totient is φ = 10948666192.

The previous prime is 11012321377. The next prime is 11012321413. The reversal of 11012321401 is 10412321011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10412321011 = 53 ⋅196458887.

It can be written as a sum of positive squares in 2 ways, for example, as 7978955625 + 3033365776 = 89325^2 + 55076^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012321401 - 2¹⁵ = 11012288633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012321491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31827346 + ... + 31827691.

It is an arithmetic number, because the mean of its divisors is an integer number (2768994153).

Almost surely, 2^11012321401 is an apocalyptic number.

It is an amenable number.

11012321401 is a deficient number, since it is larger than the sum of its proper divisors (63655211).

11012321401 is an equidigital number, since it uses as much as digits as its factorization.

11012321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63655210.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11012321401 its reverse (10412321011), we get a palindrome (21424642412).

The spelling of 11012321401 in words is "eleven billion, twelve million, three hundred twenty-one thousand, four hundred one".