11401122402 has 96 divisors (see below), whose sum is σ = 27007119360. Its totient is φ = 3465110880.

The previous prime is 11401122373. The next prime is 11401122451. The reversal of 11401122402 is 20422110411.

11401122402 is a `hidden beast` number, since 1 + 140 + 1 + 122 + 402 = 666.

11401122402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 853249 + ... + 866507.

It is an arithmetic number, because the mean of its divisors is an integer number (281324160).

Almost surely, 2^11401122402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11401122402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13503559680).

11401122402 is an abundant number, since it is smaller than the sum of its proper divisors (15605996958).

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

11401122402 is a wasteful number, since it uses less digits than its factorization.

11401122402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13388 (or 13385 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11401122402 its reverse (20422110411), we get a palindrome (31823232813).

The spelling of 11401122402 in words is "eleven billion, four hundred one million, one hundred twenty-two thousand, four hundred two".