111102020121122 has 8 divisors (see below), whose sum is σ = 168210535136976. Its totient is φ = 55031841742132.

The previous prime is 111102020121107. The next prime is 111102020121139. The reversal of 111102020121122 is 221121020201111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111102020121122.

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, 259584158948 + ... + 259584159375.

It is an arithmetic number, because the mean of its divisors is an integer number (21026316892122).

Almost surely, 2^{111102020121122} is an apocalyptic number.

111102020121122 is a deficient number, since it is larger than the sum of its proper divisors (57108515015854).

111102020121122 is a wasteful number, since it uses less digits than its factorization.

111102020121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519168318432.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111102020121122 its reverse (221121020201111), we get a palindrome (332223040322233).

The spelling of 111102020121122 in words is "one hundred eleven trillion, one hundred two billion, twenty million, one hundred twenty-one thousand, one hundred twenty-two".