20101011001112 has 64 divisors (see below), whose sum is σ = 38227057989120. Its totient is φ = 9908454604288.

The previous prime is 20101011001051. The next prime is 20101011001133. The reversal of 20101011001112 is 21110011010102.

It is a junction number, because it is equal to n+sod(n) for n = 20101011001093 and 20101011001102.

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 15 ways as a sum of consecutive naturals, for example, 79634528 + ... + 79886544.

It is an arithmetic number, because the mean of its divisors is an integer number (597297781080).

Almost surely, 2^{20101011001112} is an apocalyptic number.

It is an amenable number.

20101011001112 is a deficient number, since it is larger than the sum of its proper divisors (18126046988008).

20101011001112 is a wasteful number, since it uses less digits than its factorization.

20101011001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252680 (or 252676 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20101011001112 its reverse (21110011010102), we get a palindrome (41211022011214).

The spelling of 20101011001112 in words is "twenty trillion, one hundred one billion, eleven million, one thousand, one hundred twelve".