11404312122 has 32 divisors (see below), whose sum is σ = 26070257664. Its totient is φ = 3257967600.

The previous prime is 11404312121. The next prime is 11404312159. The reversal of 11404312122 is 22121340411.

It is a super-2 number, since 2×11404312122² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11404312121) 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, 531747 + ... + 552777.

It is an arithmetic number, because the mean of its divisors is an integer number (814695552).

Almost surely, 2^11404312122 is an apocalyptic number.

11404312122 is an abundant number, since it is smaller than the sum of its proper divisors (14665945542).

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

11404312122 is a wasteful number, since it uses less digits than its factorization.

11404312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33954.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11404312122 its reverse (22121340411), we get a palindrome (33525652533).

The spelling of 11404312122 in words is "eleven billion, four hundred four million, three hundred twelve thousand, one hundred twenty-two".