20020021101112 has 32 divisors (see below), whose sum is σ = 37902508207200. Its totient is φ = 9912688280064.

The previous prime is 20020021101107. The next prime is 20020021101121. The reversal of 20020021101112 is 21110112002002.

It is a junction number, because it is equal to n+sod(n) for n = 20020021101092 and 20020021101101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85652628 + ... + 85886044.

It is an arithmetic number, because the mean of its divisors is an integer number (1184453381475).

Almost surely, 2^{20020021101112} is an apocalyptic number.

It is an amenable number.

20020021101112 is a deficient number, since it is larger than the sum of its proper divisors (17882487106088).

20020021101112 is a wasteful number, since it uses less digits than its factorization.

20020021101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337615 (or 337611 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20020021101112 its reverse (21110112002002), we get a palindrome (41130133103114).

The spelling of 20020021101112 in words is "twenty trillion, twenty billion, twenty-one million, one hundred one thousand, one hundred twelve".