10221043223140 has 48 divisors (see below), whose sum is σ = 21704683417200. Its totient is φ = 4042683850752.

The previous prime is 10221043223123. The next prime is 10221043223147. The reversal of 10221043223140 is 4132234012201.

It can be written as a sum of positive squares in 8 ways, for example, as 225290723904 + 9995752499236 = 474648^2 + 3161606^2 .

It is a super-2 number, since 2×10221043223140² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10221043223147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143035 + ... + 4523554.

It is an arithmetic number, because the mean of its divisors is an integer number (452180904525).

Almost surely, 2^{10221043223140} is an apocalyptic number.

10221043223140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221043223140 is an abundant number, since it is smaller than the sum of its proper divisors (11483640194060).

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

10221043223140 is a wasteful number, since it uses less digits than its factorization.

10221043223140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667824 (or 4667822 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 10221043223140 its reverse (4132234012201), we get a palindrome (14353277235341).

The spelling of 10221043223140 in words is "ten trillion, two hundred twenty-one billion, forty-three million, two hundred twenty-three thousand, one hundred forty".