11211212120102 has 8 divisors (see below), whose sum is σ = 16816858366296. Its totient is φ = 5605592664672.

The previous prime is 11211212120071. The next prime is 11211212120153. The reversal of 11211212120102 is 20102121211211.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5616608 + ... + 7346339.

It is an arithmetic number, because the mean of its divisors is an integer number (2102107295787).

Almost surely, 2^{11211212120102} is an apocalyptic number.

11211212120102 is a deficient number, since it is larger than the sum of its proper divisors (5605646246194).

11211212120102 is a wasteful number, since it uses less digits than its factorization.

11211212120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13395382.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211212120102 its reverse (20102121211211), we get a palindrome (31313333331313).

The spelling of 11211212120102 in words is "eleven trillion, two hundred eleven billion, two hundred twelve million, one hundred twenty thousand, one hundred two".