111021211211102 has 16 divisors (see below), whose sum is σ = 177250988282112. Its totient is φ = 51971740385280.

The previous prime is 111021211211089. The next prime is 111021211211107. The reversal of 111021211211102 is 201112112120111.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021211211107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8547977123 + ... + 8547990110.

It is an arithmetic number, because the mean of its divisors is an integer number (11078186767632).

Almost surely, 2^{111021211211102} is an apocalyptic number.

111021211211102 is a deficient number, since it is larger than the sum of its proper divisors (66229777071010).

111021211211102 is a wasteful number, since it uses less digits than its factorization.

111021211211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17095967443.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111021211211102 its reverse (201112112120111), we get a palindrome (312133323331213).

Subtracting 111021211211102 from its reverse (201112112120111), we obtain a palindrome (90090900909009).

The spelling of 111021211211102 in words is "one hundred eleven trillion, twenty-one billion, two hundred eleven million, two hundred eleven thousand, one hundred two".