11012020111102 has 4 divisors (see below), whose sum is σ = 16518030166656. Its totient is φ = 5506010055550.

The previous prime is 11012020111091. The next prime is 11012020111153. The reversal of 11012020111102 is 20111102021011.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2753005027774 + ... + 2753005027777.

It is an arithmetic number, because the mean of its divisors is an integer number (4129507541664).

Almost surely, 2^{11012020111102} is an apocalyptic number.

11012020111102 is a deficient number, since it is larger than the sum of its proper divisors (5506010055554).

11012020111102 is an equidigital number, since it uses as much as digits as its factorization.

11012020111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506010055553.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11012020111102 its reverse (20111102021011), we get a palindrome (31123122132113).

The spelling of 11012020111102 in words is "eleven trillion, twelve billion, twenty million, one hundred eleven thousand, one hundred two".