1111021010112 has 224 divisors, whose sum is σ = 3281330691072. Its totient is φ = 329583108096.

The previous prime is 1111021010069. The next prime is 1111021010119. The reversal of 1111021010112 is 2110101201111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1111021010119) 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, 7789228 + ... + 7930580.

It is an arithmetic number, because the mean of its divisors is an integer number (14648797728).

Almost surely, 2^{1111021010112} is an apocalyptic number.

1111021010112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111021010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640665345536).

1111021010112 is an abundant number, since it is smaller than the sum of its proper divisors (2170309680960).

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

1111021010112 is a wasteful number, since it uses less digits than its factorization.

1111021010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141495 (or 141485 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1111021010112 its reverse (2110101201111), we get a palindrome (3221122211223).

The spelling of 1111021010112 in words is "one trillion, one hundred eleven billion, twenty-one million, ten thousand, one hundred twelve".