20201110212112 has 10 divisors (see below), whose sum is σ = 39139651035998. Its totient is φ = 10100555106048.

The previous prime is 20201110212091. The next prime is 20201110212113. The reversal of 20201110212112 is 21121201110202.

It can be written as a sum of positive squares in only one way, i.e., 17129797881856 + 3071312330256 = 4138816^2 + 1752516^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1262569388257 = 20201110212112 / (2 + 0 + 2 + 0 + 1 + 1 + 1 + 0 + 2 + 1 + 2 + 1 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (20201110212113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631284694113 + ... + 631284694144.

Almost surely, 2^{20201110212112} is an apocalyptic number.

It is an amenable number.

20201110212112 is a deficient number, since it is larger than the sum of its proper divisors (18938540823886).

20201110212112 is a wasteful number, since it uses less digits than its factorization.

20201110212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262569388265 (or 1262569388259 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20201110212112 its reverse (21121201110202), we get a palindrome (41322311322314).

The spelling of 20201110212112 in words is "twenty trillion, two hundred one billion, one hundred ten million, two hundred twelve thousand, one hundred twelve".