112121100012011 has 4 divisors (see below), whose sum is σ = 112122194502024. Its totient is φ = 112120005522000.

The previous prime is 112121100011911. The next prime is 112121100012043. The reversal of 112121100012011 is 110210001121211.

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 112121100012011 - 2³⁸ = 111846222105067 is a prime.

It is a super-2 number, since 2×112121100012011² (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 (112121100512011) 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, 547091330 + ... + 547296231.

It is an arithmetic number, because the mean of its divisors is an integer number (28030548625506).

Almost surely, 2^{112121100012011} is an apocalyptic number.

112121100012011 is a deficient number, since it is larger than the sum of its proper divisors (1094490013).

112121100012011 is a wasteful number, since it uses less digits than its factorization.

112121100012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094490012.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 112121100012011 its reverse (110210001121211), we get a palindrome (222331101133222).

The spelling of 112121100012011 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred million, twelve thousand, eleven".