10221100010220 has 48 divisors (see below), whose sum is σ = 31220814578688. Its totient is φ = 2477842426560.

The previous prime is 10221100010203. The next prime is 10221100010249. The reversal of 10221100010220 is 2201000112201.

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 = 10221100010196 and 10221100010205.

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 15 ways as a sum of consecutive naturals, for example, 7743256924 + ... + 7743258243.

It is an arithmetic number, because the mean of its divisors is an integer number (650433637056).

Almost surely, 2^{10221100010220} is an apocalyptic number.

10221100010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221100010220 is an abundant number, since it is smaller than the sum of its proper divisors (20999714568468).

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

10221100010220 is a wasteful number, since it uses less digits than its factorization.

10221100010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15486515190 (or 15486515188 counting only the distinct ones).

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

Adding to 10221100010220 its reverse (2201000112201), we get a palindrome (12422100122421).

The spelling of 10221100010220 in words is "ten trillion, two hundred twenty-one billion, one hundred million, ten thousand, two hundred twenty".