10221212122110 has 64 divisors (see below), whose sum is σ = 29734435272960. Its totient is φ = 2477869604640.

The previous prime is 10221212122109. The next prime is 10221212122111. The reversal of 10221212122110 is 1122121212201.

10221212122110 is a `hidden beast` number, since 1 + 0 + 221 + 21 + 212 + 211 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (10221212122109) and next prime (10221212122111).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221212122111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1720739812 + ... + 1720745751.

It is an arithmetic number, because the mean of its divisors is an integer number (464600551140).

Almost surely, 2^{10221212122110} is an apocalyptic number.

10221212122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221212122110 is an abundant number, since it is smaller than the sum of its proper divisors (19513223150850).

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

10221212122110 is a wasteful number, since it uses less digits than its factorization.

10221212122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441485590 (or 3441485584 counting only the distinct ones).

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

Adding to 10221212122110 its reverse (1122121212201), we get a palindrome (11343333334311).

Subtracting from 10221212122110 its reverse (1122121212201), we obtain a palindrome (9099090909909).

The spelling of 10221212122110 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, one hundred twenty-two thousand, one hundred ten".