1013221311010 has 16 divisors (see below), whose sum is σ = 1823816844216. Its totient is φ = 405284416768.

The previous prime is 1013221311007. The next prime is 1013221311079. The reversal of 1013221311010 is 101131223101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1012883229241 + 338081769 = 1006421^2 + 18387^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647562 + ... + 1563898.

Almost surely, 2^{1013221311010} is an apocalyptic number.

1013221311010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013221311010 is a deficient number, since it is larger than the sum of its proper divisors (810595533206).

1013221311010 is a wasteful number, since it uses less digits than its factorization.

1013221311010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026917.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1013221311010 its reverse (101131223101), we get a palindrome (1114352534111).

It can be divided in two parts, 1013221 and 311010, that added together give a palindrome (1324231).

The spelling of 1013221311010 in words is "one trillion, thirteen billion, two hundred twenty-one million, three hundred eleven thousand, ten".