112001122110021 has 16 divisors (see below), whose sum is σ = 152170020973440. Its totient is φ = 73250144052800.

The previous prime is 112001122110019. The next prime is 112001122110077. The reversal of 112001122110021 is 120011221100211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 112001122110021 - 2¹ = 112001122110019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001122110011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39249705 + ... + 42006446.

It is an arithmetic number, because the mean of its divisors is an integer number (9510626310840).

Almost surely, 2^{112001122110021} is an apocalyptic number.

It is an amenable number.

112001122110021 is a deficient number, since it is larger than the sum of its proper divisors (40168898863419).

112001122110021 is an equidigital number, since it uses as much as digits as its factorization.

112001122110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81264876.

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

Adding to 112001122110021 its reverse (120011221100211), we get a palindrome (232012343210232).

The spelling of 112001122110021 in words is "one hundred twelve trillion, one billion, one hundred twenty-two million, one hundred ten thousand, twenty-one".