112121001222201 has 12 divisors (see below), whose sum is σ = 161952831673828. Its totient is φ = 74747207523744.

The previous prime is 112121001222169. The next prime is 112121001222211. The reversal of 112121001222201 is 102222100121211.

112121001222201 is a `hidden beast` number, since 11 + 21 + 210 + 0 + 1 + 222 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 70810558839801 + 41310442382400 = 8414901^2 + 6427320^2 .

It is not a de Polignac number, because 112121001222201 - 2⁵ = 112121001222169 is a prime.

It is a super-2 number, since 2×112121001222201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121001222211) 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 11 ways as a sum of consecutive naturals, for example, 4777810 + ... + 15718443.

Almost surely, 2^{112121001222201} is an apocalyptic number.

It is an amenable number.

112121001222201 is a deficient number, since it is larger than the sum of its proper divisors (49831830451627).

112121001222201 is a wasteful number, since it uses less digits than its factorization.

112121001222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21104072 (or 21104069 counting only the distinct ones).

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

Adding to 112121001222201 its reverse (102222100121211), we get a palindrome (214343101343412).

The spelling of 112121001222201 in words is "one hundred twelve trillion, one hundred twenty-one billion, one million, two hundred twenty-two thousand, two hundred one".