11721102 has 8 divisors (see below), whose sum is σ = 23442216. Its totient is φ = 3907032.

The previous prime is 11721079. The next prime is 11721107. The reversal of 11721102 is 20112711.

It is a sphenic number, since it is the product of 3 distinct primes.

11721102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11721107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976753 + ... + 976764.

It is an arithmetic number, because the mean of its divisors is an integer number (2930277).

Almost surely, 2^11721102 is an apocalyptic number.

11721102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11721102 is a wasteful number, since it uses less digits than its factorization.

11721102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953522.

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 11721102 is about 3423.6094987600. The cubic root of 11721102 is about 227.1552690613.

Adding to 11721102 its reverse (20112711), we get a palindrome (31833813).

The spelling of 11721102 in words is "eleven million, seven hundred twenty-one thousand, one hundred two".