20011120112102 has 16 divisors (see below), whose sum is σ = 34304853841440. Its totient is φ = 8576175207168.

The previous prime is 20011120112101. The next prime is 20011120112111. The reversal of 20011120112102 is 20121102111002.

It is a super-2 number, since 2×20011120112102² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011120112101) 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 7 ways as a sum of consecutive naturals, for example, 6233174 + ... + 8881142.

It is an arithmetic number, because the mean of its divisors is an integer number (2144053365090).

Almost surely, 2^{20011120112102} is an apocalyptic number.

20011120112102 is a deficient number, since it is larger than the sum of its proper divisors (14293733729338).

20011120112102 is a wasteful number, since it uses less digits than its factorization.

20011120112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187775.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20011120112102 its reverse (20121102111002), we get a palindrome (40132222223104).

The spelling of 20011120112102 in words is "twenty trillion, eleven billion, one hundred twenty million, one hundred twelve thousand, one hundred two".