1020202021112 has 16 divisors (see below), whose sum is σ = 1912894647840. Its totient is φ = 510096781696.

The previous prime is 1020202021109. The next prime is 1020202021177. The reversal of 1020202021112 is 2111202020201.

It is a congruent number.

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, 651728 + ... + 1570080.

It is an arithmetic number, because the mean of its divisors is an integer number (119555915490).

Almost surely, 2^{1020202021112} is an apocalyptic number.

It is an amenable number.

1020202021112 is a deficient number, since it is larger than the sum of its proper divisors (892692626728).

1020202021112 is a wasteful number, since it uses less digits than its factorization.

1020202021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057222 (or 1057218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020202021112 its reverse (2111202020201), we get a palindrome (3131404041313).

The spelling of 1020202021112 in words is "one trillion, twenty billion, two hundred two million, twenty-one thousand, one hundred twelve".