112120111020021 has 8 divisors (see below), whose sum is σ = 160992979926240. Its totient is φ = 68996991396912.

The previous prime is 112120111020017. The next prime is 112120111020031. The reversal of 112120111020021 is 120020111021211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112120111020021 - 2² = 112120111020017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120111020011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437437320731 + ... + 1437437320808.

It is an arithmetic number, because the mean of its divisors is an integer number (20124122490780).

Almost surely, 2^{112120111020021} is an apocalyptic number.

It is an amenable number.

112120111020021 is a deficient number, since it is larger than the sum of its proper divisors (48872868906219).

112120111020021 is a wasteful number, since it uses less digits than its factorization.

112120111020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874874641555.

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

Adding to 112120111020021 its reverse (120020111021211), we get a palindrome (232140222041232).

The spelling of 112120111020021 in words is "one hundred twelve trillion, one hundred twenty billion, one hundred eleven million, twenty thousand, twenty-one".