10111202220 has 96 divisors (see below), whose sum is σ = 32372637696. Its totient is φ = 2309932800.

The previous prime is 10111202197. The next prime is 10111202221. The reversal of 10111202220 is 2220211101.

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 = 10111202196 and 10111202205.

It is not an unprimeable number, because it can be changed into a prime (10111202221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 994965 + ... + 1005075.

It is an arithmetic number, because the mean of its divisors is an integer number (337214976).

Almost surely, 2^10111202220 is an apocalyptic number.

10111202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111202220 is an abundant number, since it is smaller than the sum of its proper divisors (22261435476).

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

10111202220 is a wasteful number, since it uses less digits than its factorization.

10111202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12511 (or 12509 counting only the distinct ones).

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

Adding to 10111202220 its reverse (2220211101), we get a palindrome (12331413321).

The spelling of 10111202220 in words is "ten billion, one hundred eleven million, two hundred two thousand, two hundred twenty".