11111210012102 has 4 divisors (see below), whose sum is σ = 16666815018156. Its totient is φ = 5555605006050.

The previous prime is 11111210012087. The next prime is 11111210012153. The reversal of 11111210012102 is 20121001211111.

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, 2777802503024 + ... + 2777802503027.

It is an arithmetic number, because the mean of its divisors is an integer number (4166703754539).

Almost surely, 2^{11111210012102} is an apocalyptic number.

11111210012102 is a deficient number, since it is larger than the sum of its proper divisors (5555605006054).

11111210012102 is an equidigital number, since it uses as much as digits as its factorization.

11111210012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555605006053.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11111210012102 its reverse (20121001211111), we get a palindrome (31232211223213).

The spelling of 11111210012102 in words is "eleven trillion, one hundred eleven billion, two hundred ten million, twelve thousand, one hundred two".