1112221311010 has 64 divisors (see below), whose sum is σ = 2045609590752. Its totient is φ = 435298738176.

The previous prime is 1112221311001. The next prime is 1112221311013. The reversal of 1112221311010 is 101131222111.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 28096799641 + 1084124511369 = 167621^2 + 1041213^2 .

It is not an unprimeable number, because it can be changed into a prime (1112221311013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205317822 + ... + 205323238.

Almost surely, 2^{1112221311010} is an apocalyptic number.

1112221311010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1112221311010 is a deficient number, since it is larger than the sum of its proper divisors (933388279742).

1112221311010 is a wasteful number, since it uses less digits than its factorization.

1112221311010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7687.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1112221311010 its reverse (101131222111), we get a palindrome (1213352533121).

The spelling of 1112221311010 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, three hundred eleven thousand, ten".