112131121012201 has 2 divisors, whose sum is σ = 112131121012202. Its totient is φ = 112131121012200.

The previous prime is 112131121012189. The next prime is 112131121012217. The reversal of 112131121012201 is 102210121131211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95332180992400 + 16798940019801 = 9763820^2 + 4098651^2 .

It is a cyclic number.

It is not a de Polignac number, because 112131121012201 - 2⁷ = 112131121012073 is a prime.

It is a super-2 number, since 2×112131121012201² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112131121012291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56065560506100 + 56065560506101.

It is an arithmetic number, because the mean of its divisors is an integer number (56065560506101).

Almost surely, 2^{112131121012201} is an apocalyptic number.

It is an amenable number.

112131121012201 is a deficient number, since it is larger than the sum of its proper divisors (1).

112131121012201 is an equidigital number, since it uses as much as digits as its factorization.

112131121012201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 112131121012201 its reverse (102210121131211), we get a palindrome (214341242143412).

The spelling of 112131121012201 in words is "one hundred twelve trillion, one hundred thirty-one billion, one hundred twenty-one million, twelve thousand, two hundred one".