10112212102021 has 2 divisors, whose sum is σ = 10112212102022. Its totient is φ = 10112212102020.

The previous prime is 10112212102019. The next prime is 10112212102063. The reversal of 10112212102021 is 12020121221101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7170403973121 + 2941808128900 = 2677761^2 + 1715170^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112212102021 - 2¹ = 10112212102019 is a prime.

It is a super-3 number, since 3×10112212102021³ (a number of 40 digits) contains 333 as substring.

Together with 10112212102019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10112212101986 and 10112212102004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10112212112021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056106051010 + 5056106051011.

It is an arithmetic number, because the mean of its divisors is an integer number (5056106051011).

Almost surely, 2^{10112212102021} is an apocalyptic number.

It is an amenable number.

10112212102021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10112212102021 is an equidigital number, since it uses as much as digits as its factorization.

10112212102021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10112212102021 its reverse (12020121221101), we get a palindrome (22132333323122).

The spelling of 10112212102021 in words is "ten trillion, one hundred twelve billion, two hundred twelve million, one hundred two thousand, twenty-one".