11111210102 has 4 divisors (see below), whose sum is σ = 16666815156. Its totient is φ = 5555605050.

The previous prime is 11111210087. The next prime is 11111210153. The reversal of 11111210102 is 20101211111.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 2777802524 + ... + 2777802527.

It is an arithmetic number, because the mean of its divisors is an integer number (4166703789).

Almost surely, 2^11111210102 is an apocalyptic number.

11111210102 is a deficient number, since it is larger than the sum of its proper divisors (5555605054).

11111210102 is an equidigital number, since it uses as much as digits as its factorization.

11111210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555605053.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11111210102 its reverse (20101211111), we get a palindrome (31212421213).

The spelling of 11111210102 in words is "eleven billion, one hundred eleven million, two hundred ten thousand, one hundred two".