112121112121201 has 8 divisors (see below), whose sum is σ = 112404018521024. Its totient is φ = 111838208161680.

The previous prime is 112121112121171. The next prime is 112121112121223. The reversal of 112121112121201 is 102121211121211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112121112121201 is a prime.

It is a super-2 number, since 2×112121112121201² (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 (112121112121001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122878666 + ... + 123787756.

It is an arithmetic number, because the mean of its divisors is an integer number (14050502315128).

Almost surely, 2^{112121112121201} is an apocalyptic number.

It is an amenable number.

112121112121201 is a deficient number, since it is larger than the sum of its proper divisors (282906399823).

112121112121201 is an equidigital number, since it uses as much as digits as its factorization.

112121112121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220151.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112121112121201 its reverse (102121211121211), we get a palindrome (214242323242412).

The spelling of 112121112121201 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twelve million, one hundred twenty-one thousand, two hundred one".