10201112220 has 48 divisors (see below), whose sum is σ = 30760279200. Its totient is φ = 2511042816.

The previous prime is 10201112219. The next prime is 10201112221. The reversal of 10201112220 is 2221110201.

It is an interprime number because it is at equal distance from previous prime (10201112219) and next prime (10201112221).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10201112196 and 10201112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201112221) 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 15 ways as a sum of consecutive naturals, for example, 6538395 + ... + 6539954.

It is an arithmetic number, because the mean of its divisors is an integer number (640839150).

Almost surely, 2^10201112220 is an apocalyptic number.

10201112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201112220 is an abundant number, since it is smaller than the sum of its proper divisors (20559166980).

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

10201112220 is a wasteful number, since it uses less digits than its factorization.

10201112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13078374 (or 13078372 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10201112220 its reverse (2221110201), we get a palindrome (12422222421).

The spelling of 10201112220 in words is "ten billion, two hundred one million, one hundred twelve thousand, two hundred twenty".