11121111100102 has 4 divisors (see below), whose sum is σ = 16681666650156. Its totient is φ = 5560555550050.

The previous prime is 11121111100063. The next prime is 11121111100163. The reversal of 11121111100102 is 20100111112111.

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

It is a super-2 number, since 2×11121111100102² (a number of 27 digits) contains 22 as substring.

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, 2780277775024 + ... + 2780277775027.

It is an arithmetic number, because the mean of its divisors is an integer number (4170416662539).

Almost surely, 2^{11121111100102} is an apocalyptic number.

11121111100102 is a deficient number, since it is larger than the sum of its proper divisors (5560555550054).

11121111100102 is an equidigital number, since it uses as much as digits as its factorization.

11121111100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560555550053.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11121111100102 its reverse (20100111112111), we get a palindrome (31221222212213).

The spelling of 11121111100102 in words is "eleven trillion, one hundred twenty-one billion, one hundred eleven million, one hundred thousand, one hundred two".