111011122020102 has 8 divisors (see below), whose sum is σ = 222022244040216. Its totient is φ = 37003707340032.

The previous prime is 111011122020091. The next prime is 111011122020133. The reversal of 111011122020102 is 201020221110111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

111011122020102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9250926835003 + ... + 9250926835014.

It is an arithmetic number, because the mean of its divisors is an integer number (27752780505027).

Almost surely, 2^{111011122020102} is an apocalyptic number.

111011122020102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111011122020102 is a wasteful number, since it uses less digits than its factorization.

111011122020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18501853670022.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111011122020102 its reverse (201020221110111), we get a palindrome (312031343130213).

Subtracting 111011122020102 from its reverse (201020221110111), we obtain a palindrome (90009099090009).

The spelling of 111011122020102 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-two million, twenty thousand, one hundred two".