10111200220 has 24 divisors (see below), whose sum is σ = 23163841008. Its totient is φ = 3676800000.

The previous prime is 10111200217. The next prime is 10111200247. The reversal of 10111200220 is 2200211101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10111200197 and 10111200206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22979781 + ... + 22980220.

It is an arithmetic number, because the mean of its divisors is an integer number (965160042).

Almost surely, 2^10111200220 is an apocalyptic number.

10111200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111200220 is an abundant number, since it is smaller than the sum of its proper divisors (13052640788).

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

10111200220 is a wasteful number, since it uses less digits than its factorization.

10111200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45960021 (or 45960019 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10111200220 its reverse (2200211101), we get a palindrome (12311411321).

The spelling of 10111200220 in words is "ten billion, one hundred eleven million, two hundred thousand, two hundred twenty".