1012221112113 has 8 divisors (see below), whose sum is σ = 1499586832800. Its totient is φ = 674814074724.

The previous prime is 1012221112081. The next prime is 1012221112121. The reversal of 1012221112113 is 3112111222101.

It is a happy number.

It is not a de Polignac number, because 1012221112113 - 2⁵ = 1012221112081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1012221112153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18744835383 + ... + 18744835436.

It is an arithmetic number, because the mean of its divisors is an integer number (187448354100).

Almost surely, 2^{1012221112113} is an apocalyptic number.

It is an amenable number.

1012221112113 is a deficient number, since it is larger than the sum of its proper divisors (487365720687).

1012221112113 is an equidigital number, since it uses as much as digits as its factorization.

1012221112113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37489670828 (or 37489670822 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1012221112113 its reverse (3112111222101), we get a palindrome (4124332334214).

The spelling of 1012221112113 in words is "one trillion, twelve billion, two hundred twenty-one million, one hundred twelve thousand, one hundred thirteen".