10010120212021 has 2 divisors, whose sum is σ = 10010120212022. Its totient is φ = 10010120212020.

The previous prime is 10010120212013. The next prime is 10010120212033. The reversal of 10010120212021 is 12021202101001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9370302599025 + 639817612996 = 3061095^2 + 799886^2 .

It is a cyclic number.

It is not a de Polignac number, because 10010120212021 - 2³ = 10010120212013 is a prime.

It is a super-2 number, since 2×10010120212021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10010120211992 and 10010120212010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10010120212061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005060106010 + 5005060106011.

It is an arithmetic number, because the mean of its divisors is an integer number (5005060106011).

Almost surely, 2^{10010120212021} is an apocalyptic number.

It is an amenable number.

10010120212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010120212021 is an equidigital number, since it uses as much as digits as its factorization.

10010120212021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10010120212021 its reverse (12021202101001), we get a palindrome (22031322313022).

The spelling of 10010120212021 in words is "ten trillion, ten billion, one hundred twenty million, two hundred twelve thousand, twenty-one".