13111421204 has 48 divisors (see below), whose sum is σ = 26426695680. Its totient is φ = 5575586400.

The previous prime is 13111421179. The next prime is 13111421237. The reversal of 13111421204 is 40212411131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6624287 + ... + 6626265.

It is an arithmetic number, because the mean of its divisors is an integer number (550556160).

Almost surely, 2^13111421204 is an apocalyptic number.

13111421204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13111421204 is an abundant number, since it is smaller than the sum of its proper divisors (13315274476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13111421204 is a wasteful number, since it uses less digits than its factorization.

13111421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708 (or 3706 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 13111421204 its reverse (40212411131), we get a palindrome (53323832335).

The spelling of 13111421204 in words is "thirteen billion, one hundred eleven million, four hundred twenty-one thousand, two hundred four".