11821102 has 4 divisors (see below), whose sum is σ = 17731656. Its totient is φ = 5910550.

The previous prime is 11821081. The next prime is 11821123. The reversal of 11821102 is 20112811.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11821081) and next prime (11821123).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2955274 + ... + 2955277.

It is an arithmetic number, because the mean of its divisors is an integer number (4432914).

Almost surely, 2^11821102 is an apocalyptic number.

11821102 is a deficient number, since it is larger than the sum of its proper divisors (5910554).

11821102 is an equidigital number, since it uses as much as digits as its factorization.

11821102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910553.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 11821102 is about 3438.1829503387. The cubic root of 11821102 is about 227.7994414630.

Adding to 11821102 its reverse (20112811), we get a palindrome (31933913).

The spelling of 11821102 in words is "eleven million, eight hundred twenty-one thousand, one hundred two".