10101112220 has 24 divisors (see below), whose sum is σ = 21480849600. Its totient is φ = 3989299392.

The previous prime is 10101112213. The next prime is 10101112247. The reversal of 10101112220 is 2221110101.

10101112220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3194975 + ... + 3198134.

It is an arithmetic number, because the mean of its divisors is an integer number (895035400).

Almost surely, 2^10101112220 is an apocalyptic number.

10101112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101112220 is an abundant number, since it is smaller than the sum of its proper divisors (11379737380).

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

10101112220 is a wasteful number, since it uses less digits than its factorization.

10101112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393197 (or 6393195 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10101112220 its reverse (2221110101), we get a palindrome (12322222321).

The spelling of 10101112220 in words is "ten billion, one hundred one million, one hundred twelve thousand, two hundred twenty".