11111321102 has 8 divisors (see below), whose sum is σ = 19047979056. Its totient is φ = 4761994752.

The previous prime is 11111321099. The next prime is 11111321107. The reversal of 11111321102 is 20112311111.

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

It is a super-2 number, since 2×11111321102² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 793665793 = 11111321102 / (1 + 1 + 1 + 1 + 1 + 3 + 2 + 1 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111321107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396832883 + ... + 396832910.

It is an arithmetic number, because the mean of its divisors is an integer number (2380997382).

Almost surely, 2^11111321102 is an apocalyptic number.

11111321102 is a deficient number, since it is larger than the sum of its proper divisors (7936657954).

11111321102 is an equidigital number, since it uses as much as digits as its factorization.

11111321102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793665802.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11111321102 its reverse (20112311111), we get a palindrome (31223632213).

Subtracting 11111321102 from its reverse (20112311111), we obtain a palindrome (9000990009).

The spelling of 11111321102 in words is "eleven billion, one hundred eleven million, three hundred twenty-one thousand, one hundred two".