10010012121211 has 2 divisors, whose sum is σ = 10010012121212. Its totient is φ = 10010012121210.

The previous prime is 10010012121173. The next prime is 10010012121227. The reversal of 10010012121211 is 11212121001001.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11212121001001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10010012121211 - 2³⁹ = 9460256307323 is a prime.

It is a super-2 number, since 2×10010012121211² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10010012121191 and 10010012121200.

It is not a weakly prime, because it can be changed into another prime (10010012121511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005006060605 + 5005006060606.

It is an arithmetic number, because the mean of its divisors is an integer number (5005006060606).

Almost surely, 2^{10010012121211} is an apocalyptic number.

10010012121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010012121211 is an equidigital number, since it uses as much as digits as its factorization.

10010012121211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10010012121211 its reverse (11212121001001), we get a palindrome (21222133122212).

The spelling of 10010012121211 in words is "ten trillion, ten billion, twelve million, one hundred twenty-one thousand, two hundred eleven".