10212111212211 has 32 divisors (see below), whose sum is σ = 15147775073600. Its totient is φ = 6799651038720.

The previous prime is 10212111212209. The next prime is 10212111212243. The reversal of 10212111212211 is 11221211121201.

It is a happy number.

10212111212211 is a `hidden beast` number, since 10 + 21 + 211 + 1 + 212 + 211 = 666.

10212111212211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10212111212211 - 2¹ = 10212111212209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212111212711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433053441 + ... + 433077021.

It is an arithmetic number, because the mean of its divisors is an integer number (473367971050).

Almost surely, 2^{10212111212211} is an apocalyptic number.

10212111212211 is a deficient number, since it is larger than the sum of its proper divisors (4935663861389).

10212111212211 is a wasteful number, since it uses less digits than its factorization.

10212111212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42756 (or 42750 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 10212111212211 its reverse (11221211121201), we get a palindrome (21433322333412).

The spelling of 10212111212211 in words is "ten trillion, two hundred twelve billion, one hundred eleven million, two hundred twelve thousand, two hundred eleven".