1112221211010 has 512 divisors, whose sum is σ = 3472673734656. Its totient is φ = 221709312000.

The previous prime is 1112221210981. The next prime is 1112221211039. The reversal of 1112221211010 is 101121222111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1112221210981) and next prime (1112221211039).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1122321615 + ... + 1122322605.

It is an arithmetic number, because the mean of its divisors is an integer number (6782565888).

Almost surely, 2^{1112221211010} is an apocalyptic number.

1112221211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112221211010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736336867328).

1112221211010 is an abundant number, since it is smaller than the sum of its proper divisors (2360452523646).

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

1112221211010 is a wasteful number, since it uses less digits than its factorization.

1112221211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1112221211010 its reverse (101121222111), we get a palindrome (1213342433121).

It can be divided in two parts, 1112221 and 211010, that added together give a palindrome (1323231).

The spelling of 1112221211010 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, two hundred eleven thousand, ten".