11403421102 has 32 divisors (see below), whose sum is σ = 18474865920. Its totient is φ = 5261215680.

The previous prime is 11403421079. The next prime is 11403421111. The reversal of 11403421102 is 20112430411.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 11403421102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996103 + ... + 1007485.

It is an arithmetic number, because the mean of its divisors is an integer number (577339560).

Almost surely, 2^11403421102 is an apocalyptic number.

11403421102 is a deficient number, since it is larger than the sum of its proper divisors (7071444818).

11403421102 is a wasteful number, since it uses less digits than its factorization.

11403421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12088.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11403421102 its reverse (20112430411), we get a palindrome (31515851513).

The spelling of 11403421102 in words is "eleven billion, four hundred three million, four hundred twenty-one thousand, one hundred two".