112121212020211 has 4 divisors (see below), whose sum is σ = 112121274755952. Its totient is φ = 112121149284472.

The previous prime is 112121212020193. The next prime is 112121212020229. The reversal of 112121212020211 is 112020212121211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (112121212020193) and next prime (112121212020229).

It is a cyclic number.

It is not a de Polignac number, because 112121212020211 - 2¹¹ = 112121212018163 is a prime.

It is a super-2 number, since 2×112121212020211² (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 (112121212020241) 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, 28606015 + ... + 32288488.

It is an arithmetic number, because the mean of its divisors is an integer number (28030318688988).

Almost surely, 2^{112121212020211} is an apocalyptic number.

112121212020211 is a deficient number, since it is larger than the sum of its proper divisors (62735741).

112121212020211 is an equidigital number, since it uses as much as digits as its factorization.

112121212020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62735740.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112121212020211 its reverse (112020212121211), we get a palindrome (224141424141422).

The spelling of 112121212020211 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twelve million, twenty thousand, two hundred eleven".