1020020101112 has 16 divisors (see below), whose sum is σ = 1914271647840. Its totient is φ = 509547661696.

The previous prime is 1020020101103. The next prime is 1020020101129. The reversal of 1020020101112 is 2111010200201.

It is a junction number, because it is equal to n+sod(n) for n = 1020020101093 and 1020020101102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57789233 + ... + 57806880.

It is an arithmetic number, because the mean of its divisors is an integer number (119641977990).

Almost surely, 2^{1020020101112} is an apocalyptic number.

It is an amenable number.

1020020101112 is a deficient number, since it is larger than the sum of its proper divisors (894251546728).

1020020101112 is a wasteful number, since it uses less digits than its factorization.

1020020101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115597222 (or 115597218 counting only the distinct ones).

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

Adding to 1020020101112 its reverse (2111010200201), we get a palindrome (3131030301313).

The spelling of 1020020101112 in words is "one trillion, twenty billion, twenty million, one hundred one thousand, one hundred twelve".