10101013220 has 12 divisors (see below), whose sum is σ = 21212127804. Its totient is φ = 4040405280.

The previous prime is 10101013213. The next prime is 10101013231. The reversal of 10101013220 is 2231010101.

It can be written as a sum of positive squares in 2 ways, for example, as 5180832484 + 4920180736 = 71978^2 + 70144^2 .

It is a super-3 number, since 3×10101013220³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252525311 + ... + 252525350.

It is an arithmetic number, because the mean of its divisors is an integer number (1767677317).

Almost surely, 2^10101013220 is an apocalyptic number.

10101013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101013220 is an abundant number, since it is smaller than the sum of its proper divisors (11111114584).

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

10101013220 is a wasteful number, since it uses less digits than its factorization.

10101013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505050670 (or 505050668 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10101013220 its reverse (2231010101), we get a palindrome (12332023321).

The spelling of 10101013220 in words is "ten billion, one hundred one million, thirteen thousand, two hundred twenty".