1020111002012 has 6 divisors (see below), whose sum is σ = 1785194253528. Its totient is φ = 510055501004.

The previous prime is 1020111001967. The next prime is 1020111002017. The reversal of 1020111002012 is 2102001110201.

It is a junction number, because it is equal to n+sod(n) for n = 1020111001984 and 1020111002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020111002017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127513875248 + ... + 127513875255.

It is an arithmetic number, because the mean of its divisors is an integer number (297532375588).

Almost surely, 2^{1020111002012} is an apocalyptic number.

It is an amenable number.

1020111002012 is a deficient number, since it is larger than the sum of its proper divisors (765083251516).

1020111002012 is a wasteful number, since it uses less digits than its factorization.

1020111002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255027750507 (or 255027750505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020111002012 its reverse (2102001110201), we get a palindrome (3122112112213).

The spelling of 1020111002012 in words is "one trillion, twenty billion, one hundred eleven million, two thousand, twelve".