112121012010201 has 4 divisors (see below), whose sum is σ = 149494682680272. Its totient is φ = 74747341340132.

The previous prime is 112121012010191. The next prime is 112121012010229. The reversal of 112121012010201 is 102010210121211.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-112121012010201 is a prime.

It is a super-2 number, since 2×112121012010201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112121012010001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18686835335031 + ... + 18686835335036.

It is an arithmetic number, because the mean of its divisors is an integer number (37373670670068).

Almost surely, 2^{112121012010201} is an apocalyptic number.

It is an amenable number.

112121012010201 is a deficient number, since it is larger than the sum of its proper divisors (37373670670071).

112121012010201 is an equidigital number, since it uses as much as digits as its factorization.

112121012010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37373670670070.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112121012010201 its reverse (102010210121211), we get a palindrome (214131222131412).

The spelling of 112121012010201 in words is "one hundred twelve trillion, one hundred twenty-one billion, twelve million, ten thousand, two hundred one".