112012011122021 has 4 divisors (see below), whose sum is σ = 112447855523532. Its totient is φ = 111576166720512.

The previous prime is 112012011122003. The next prime is 112012011122023. The reversal of 112012011122021 is 120221110210211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82732668062500 + 29279343059521 = 9095750^2 + 5411039^2 .

It is a cyclic number.

It is not a de Polignac number, because 112012011122021 - 2⁶ = 112012011121957 is a prime.

It is a super-2 number, since 2×112012011122021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012011122023) 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, 217922200370 + ... + 217922200883.

It is an arithmetic number, because the mean of its divisors is an integer number (28111963880883).

Almost surely, 2^{112012011122021} is an apocalyptic number.

It is an amenable number.

112012011122021 is a deficient number, since it is larger than the sum of its proper divisors (435844401511).

112012011122021 is an equidigital number, since it uses as much as digits as its factorization.

112012011122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435844401510.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112012011122021 its reverse (120221110210211), we get a palindrome (232233121332232).

The spelling of 112012011122021 in words is "one hundred twelve trillion, twelve billion, eleven million, one hundred twenty-two thousand, twenty-one".