112102021001021 has 2 divisors, whose sum is σ = 112102021001022. Its totient is φ = 112102021001020.

The previous prime is 112102021000979. The next prime is 112102021001147. The reversal of 112102021001021 is 120100120201211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111828192763225 + 273828237796 = 10574885^2 + 523286^2 .

It is a cyclic number.

It is not a de Polignac number, because 112102021001021 - 2¹⁴ = 112102020984637 is a prime.

It is a super-2 number, since 2×112102021001021² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112102021000987 and 112102021001005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112102021081021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56051010500510 + 56051010500511.

It is an arithmetic number, because the mean of its divisors is an integer number (56051010500511).

Almost surely, 2^{112102021001021} is an apocalyptic number.

It is an amenable number.

112102021001021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112102021001021 is an equidigital number, since it uses as much as digits as its factorization.

112102021001021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112102021001021 its reverse (120100120201211), we get a palindrome (232202141202232).

The spelling of 112102021001021 in words is "one hundred twelve trillion, one hundred two billion, twenty-one million, one thousand, twenty-one".