211012221010 has 64 divisors (see below), whose sum is σ = 387653345280. Its totient is φ = 82681896960.

The previous prime is 211012220999. The next prime is 211012221019. The reversal of 211012221010 is 10122210112.

It is not an unprimeable number, because it can be changed into a prime (211012221019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164981551 + ... + 164982829.

It is an arithmetic number, because the mean of its divisors is an integer number (6057083520).

Almost surely, 2^211012221010 is an apocalyptic number.

211012221010 is a deficient number, since it is larger than the sum of its proper divisors (176641124270).

211012221010 is a wasteful number, since it uses less digits than its factorization.

211012221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723.

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

Adding to 211012221010 its reverse (10122210112), we get a palindrome (221134431122).

The spelling of 211012221010 in words is "two hundred eleven billion, twelve million, two hundred twenty-one thousand, ten".