10021210110 has 64 divisors (see below), whose sum is σ = 26877821760. Its totient is φ = 2656863360.

The previous prime is 10021210057. The next prime is 10021210151. The reversal of 10021210110 is 1101212001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10021210092 and 10021210101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60561 + ... + 153980.

It is an arithmetic number, because the mean of its divisors is an integer number (419965965).

Almost surely, 2^10021210110 is an apocalyptic number.

10021210110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021210110 is an abundant number, since it is smaller than the sum of its proper divisors (16856611650).

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

10021210110 is a wasteful number, since it uses less digits than its factorization.

10021210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214730 (or 214724 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10021210110 its reverse (1101212001), we get a palindrome (11122422111).

The spelling of 10021210110 in words is "ten billion, twenty-one million, two hundred ten thousand, one hundred ten".