1020111110002 has 8 divisors (see below), whose sum is σ = 1559037734316. Its totient is φ = 500431865232.

The previous prime is 1020111109993. The next prime is 1020111110003. The reversal of 1020111110002 is 2000111110201.

It can be written as a sum of positive squares in 2 ways, for example, as 933138612081 + 86972497921 = 965991^2 + 294911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1020111110003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4811844753 + ... + 4811844964.

Almost surely, 2^{1020111110002} is an apocalyptic number.

1020111110002 is a deficient number, since it is larger than the sum of its proper divisors (538926624314).

1020111110002 is an equidigital number, since it uses as much as digits as its factorization.

1020111110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9623689772.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1020111110002 its reverse (2000111110201), we get a palindrome (3020222220203).

The spelling of 1020111110002 in words is "one trillion, twenty billion, one hundred eleven million, one hundred ten thousand, two".