10111220221010 has 16 divisors (see below), whose sum is σ = 18200283298200. Its totient is φ = 4044468777216.

The previous prime is 10111220220929. The next prime is 10111220221027. The reversal of 10111220221010 is 1012202211101.

It can be written as a sum of positive squares in 4 ways, for example, as 5681420246329 + 4429799974681 = 2383573^2 + 2104709^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110105 + ... + 4498284.

Almost surely, 2^{10111220221010} is an apocalyptic number.

10111220221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10111220221010 is a deficient number, since it is larger than the sum of its proper divisors (8089063077190).

10111220221010 is a wasteful number, since it uses less digits than its factorization.

10111220221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827805.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10111220221010 its reverse (1012202211101), we get a palindrome (11123422432111).

The spelling of 10111220221010 in words is "ten trillion, one hundred eleven billion, two hundred twenty million, two hundred twenty-one thousand, ten".