20111101022112 has 96 divisors (see below), whose sum is σ = 52850464632000. Its totient is φ = 6696233207808.

The previous prime is 20111101022081. The next prime is 20111101022141. The reversal of 20111101022112 is 21122010111102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×20111101022112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20111101022091 and 20111101022100.

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, 580105003 + ... + 580139669.

It is an arithmetic number, because the mean of its divisors is an integer number (550525673250).

Almost surely, 2^{20111101022112} is an apocalyptic number.

It is an amenable number.

20111101022112 is an abundant number, since it is smaller than the sum of its proper divisors (32739363609888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20111101022112 is a wasteful number, since it uses less digits than its factorization.

20111101022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41238 (or 41230 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20111101022112 its reverse (21122010111102), we get a palindrome (41233111133214).

The spelling of 20111101022112 in words is "twenty trillion, one hundred eleven billion, one hundred one million, twenty-two thousand, one hundred twelve".