111022021200121 has 4 divisors (see below), whose sum is σ = 111033014578000. Its totient is φ = 111011027822244.

The previous prime is 111022021200119. The next prime is 111022021200149. The reversal of 111022021200121 is 121002120220111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111022021200121 - 2¹ = 111022021200119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111022021200095 and 111022021200104.

It is not an unprimeable number, because it can be changed into a prime (111022021201121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5496673791 + ... + 5496693988.

It is an arithmetic number, because the mean of its divisors is an integer number (27758253644500).

Almost surely, 2^{111022021200121} is an apocalyptic number.

It is an amenable number.

111022021200121 is a deficient number, since it is larger than the sum of its proper divisors (10993377879).

111022021200121 is a wasteful number, since it uses less digits than its factorization.

111022021200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10993377878.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111022021200121 its reverse (121002120220111), we get a palindrome (232024141420232).

The spelling of 111022021200121 in words is "one hundred eleven trillion, twenty-two billion, twenty-one million, two hundred thousand, one hundred twenty-one".