10212120221211 has 6 divisors (see below), whose sum is σ = 14750840319540. Its totient is φ = 6808080147468.

The previous prime is 10212120221129. The next prime is 10212120221227. The reversal of 10212120221211 is 11212202121201.

10212120221211 is a `hidden beast` number, since 1 + 0 + 21 + 212 + 0 + 221 + 211 = 666.

It is not a de Polignac number, because 10212120221211 - 2¹⁴ = 10212120204827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10212120221311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567340012281 + ... + 567340012298.

It is an arithmetic number, because the mean of its divisors is an integer number (2458473386590).

Almost surely, 2^{10212120221211} is an apocalyptic number.

10212120221211 is a deficient number, since it is larger than the sum of its proper divisors (4538720098329).

10212120221211 is a wasteful number, since it uses less digits than its factorization.

10212120221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134680024585 (or 1134680024582 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10212120221211 its reverse (11212202121201), we get a palindrome (21424322342412).

The spelling of 10212120221211 in words is "ten trillion, two hundred twelve billion, one hundred twenty million, two hundred twenty-one thousand, two hundred eleven".