11211214104 has 128 divisors (see below), whose sum is σ = 31658688000. Its totient is φ = 3675369600.

The previous prime is 11211214061. The next prime is 11211214129. The reversal of 11211214104 is 40141211211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9492394 + ... + 9493574.

It is an arithmetic number, because the mean of its divisors is an integer number (247333500).

Almost surely, 2^11211214104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11211214104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15829344000).

11211214104 is an abundant number, since it is smaller than the sum of its proper divisors (20447473896).

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

11211214104 is a wasteful number, since it uses less digits than its factorization.

11211214104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1876 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11211214104 its reverse (40141211211), we get a palindrome (51352425315).

The spelling of 11211214104 in words is "eleven billion, two hundred eleven million, two hundred fourteen thousand, one hundred four".