111102121222101 has 12 divisors (see below), whose sum is σ = 160481962594720. Its totient is φ = 74067563508840.

The previous prime is 111102121222069. The next prime is 111102121222133. The reversal of 111102121222101 is 101222121201111.

It is a happy number.

111102121222101 is a `hidden beast` number, since 11 + 110 + 212 + 122 + 210 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (111102121222069) and next prime (111102121222133).

It is not a de Polignac number, because 111102121222101 - 2⁵ = 111102121222069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102121222181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41746345 + ... + 44327886.

Almost surely, 2^{111102121222101} is an apocalyptic number.

It is an amenable number.

111102121222101 is a deficient number, since it is larger than the sum of its proper divisors (49379841372619).

111102121222101 is a wasteful number, since it uses less digits than its factorization.

111102121222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86217656 (or 86217653 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111102121222101 its reverse (101222121201111), we get a palindrome (212324242423212).

The spelling of 111102121222101 in words is "one hundred eleven trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred one".