20010110222011 has 32 divisors (see below), whose sum is σ = 25484993735040. Its totient is φ = 15281479858176.

The previous prime is 20010110221993. The next prime is 20010110222029. The reversal of 20010110222011 is 11022201101002.

It is an interprime number because it is at equal distance from previous prime (20010110221993) and next prime (20010110222029).

It is not a de Polignac number, because 20010110222011 - 2¹⁹ = 20010109697723 is a prime.

It is a super-2 number, since 2×20010110222011² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 20010110221982 and 20010110222000.

It is not an unprimeable number, because it can be changed into a prime (20010110222911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7311165 + ... + 9668161.

It is an arithmetic number, because the mean of its divisors is an integer number (796406054220).

Almost surely, 2^{20010110222011} is an apocalyptic number.

20010110222011 is a deficient number, since it is larger than the sum of its proper divisors (5474883513029).

20010110222011 is a wasteful number, since it uses less digits than its factorization.

20010110222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360263.

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

Adding to 20010110222011 its reverse (11022201101002), we get a palindrome (31032311323013).

The spelling of 20010110222011 in words is "twenty trillion, ten billion, one hundred ten million, two hundred twenty-two thousand, eleven".