10211102220 has 48 divisors (see below), whose sum is σ = 31190277888. Its totient is φ = 2475418560.

The previous prime is 10211102197. The next prime is 10211102263. The reversal of 10211102220 is 2220111201.

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 = 10211102196 and 10211102205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7735024 + ... + 7736343.

It is an arithmetic number, because the mean of its divisors is an integer number (649797456).

Almost surely, 2^10211102220 is an apocalyptic number.

10211102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211102220 is an abundant number, since it is smaller than the sum of its proper divisors (20979175668).

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

10211102220 is a wasteful number, since it uses less digits than its factorization.

10211102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15471390 (or 15471388 counting only the distinct ones).

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

Adding to 10211102220 its reverse (2220111201), we get a palindrome (12431213421).

The spelling of 10211102220 in words is "ten billion, two hundred eleven million, one hundred two thousand, two hundred twenty".