1020010111012 has 12 divisors (see below), whose sum is σ = 1785072165660. Its totient is φ = 509989492256.

The previous prime is 1020010110991. The next prime is 1020010111027. The reversal of 1020010111012 is 2101110100201.

1020010111012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 391643162596 + 628366948416 = 625814^2 + 792696^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1020010111012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3742723 + ... + 4005994.

It is an arithmetic number, because the mean of its divisors is an integer number (148756013805).

Almost surely, 2^{1020010111012} is an apocalyptic number.

It is an amenable number.

1020010111012 is a deficient number, since it is larger than the sum of its proper divisors (765062054648).

1020010111012 is a wasteful number, since it uses less digits than its factorization.

1020010111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781630 (or 7781628 counting only the distinct ones).

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

Adding to 1020010111012 its reverse (2101110100201), we get a palindrome (3121120211213).

The spelling of 1020010111012 in words is "one trillion, twenty billion, ten million, one hundred eleven thousand, twelve".