10212221110 has 64 divisors (see below), whose sum is σ = 22857432192. Its totient is φ = 3198652416.

The previous prime is 10212221081. The next prime is 10212221119. The reversal of 10212221110 is 1112221201.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212221119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30424 + ... + 146116.

It is an arithmetic number, because the mean of its divisors is an integer number (357147378).

Almost surely, 2^10212221110 is an apocalyptic number.

10212221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212221110 is an abundant number, since it is smaller than the sum of its proper divisors (12645211082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10212221110 is a wasteful number, since it uses less digits than its factorization.

10212221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115817.

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

Adding to 10212221110 its reverse (1112221201), we get a palindrome (11324442311).

Subtracting from 10212221110 its reverse (1112221201), we obtain a palindrome (9099999909).

The spelling of 10212221110 in words is "ten billion, two hundred twelve million, two hundred twenty-one thousand, one hundred ten".