20010110210111 has 16 divisors (see below), whose sum is σ = 24107558112000. Its totient is φ = 16225020871488.

The previous prime is 20010110210107. The next prime is 20010110210113. The reversal of 20010110210111 is 11101201101002.

It is a cyclic number.

It is not a de Polignac number, because 20010110210111 - 2² = 20010110210107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20010110210092 and 20010110210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010110210113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110049686 + ... + 110231363.

It is an arithmetic number, because the mean of its divisors is an integer number (1506722382000).

Almost surely, 2^{20010110210111} is an apocalyptic number.

20010110210111 is a deficient number, since it is larger than the sum of its proper divisors (4097447901889).

20010110210111 is a wasteful number, since it uses less digits than its factorization.

20010110210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220281758.

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

Adding to 20010110210111 its reverse (11101201101002), we get a palindrome (31111311311113).

The spelling of 20010110210111 in words is "twenty trillion, ten billion, one hundred ten million, two hundred ten thousand, one hundred eleven".