111201200222121 has 48 divisors (see below), whose sum is σ = 162801930170880. Its totient is φ = 73132783637760.

The previous prime is 111201200222107. The next prime is 111201200222143. The reversal of 111201200222121 is 121222002102111.

111201200222121 is a `hidden beast` number, since 1 + 1 + 120 + 1 + 200 + 222 + 121 = 666.

It is not a de Polignac number, because 111201200222121 - 2¹⁸ = 111201199959977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111201200222094 and 111201200222103.

It is not an unprimeable number, because it can be changed into a prime (111201200227121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4005360186 + ... + 4005387948.

It is an arithmetic number, because the mean of its divisors is an integer number (3391706878560).

Almost surely, 2^{111201200222121} is an apocalyptic number.

It is an amenable number.

111201200222121 is a deficient number, since it is larger than the sum of its proper divisors (51600729948759).

111201200222121 is a wasteful number, since it uses less digits than its factorization.

111201200222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39166 (or 39163 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111201200222121 its reverse (121222002102111), we get a palindrome (232423202324232).

The spelling of 111201200222121 in words is "one hundred eleven trillion, two hundred one billion, two hundred million, two hundred twenty-two thousand, one hundred twenty-one".