112121121121211 has 4 divisors (see below), whose sum is σ = 113231231231424. Its totient is φ = 111011011011000.

The previous prime is 112121121121171. The next prime is 112121121121271.

112121121121211 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 112121121121211 - 2⁴⁶ = 41752376943547 is a prime.

It is a super-2 number, since 2×112121121121211² (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 (112121121121271) 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, 555055054955 + ... + 555055055156.

It is an arithmetic number, because the mean of its divisors is an integer number (28307807807856).

Almost surely, 2^{112121121121211} is an apocalyptic number.

112121121121211 is a deficient number, since it is larger than the sum of its proper divisors (1110110110213).

112121121121211 is a wasteful number, since it uses less digits than its factorization.

112121121121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110110110212.

The product of its digits is 32, while the sum is 20.

The spelling of 112121121121211 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred eleven".