20011012022112 has 24 divisors (see below), whose sum is σ = 52528906558296. Its totient is φ = 6670337340672.

The previous prime is 20011012022107. The next prime is 20011012022119. The reversal of 20011012022112 is 21122021011002.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-4 number, since 4×20011012022112⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20011012022091 and 20011012022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011012022119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104224020853 + ... + 104224021044.

It is an arithmetic number, because the mean of its divisors is an integer number (2188704439929).

Almost surely, 2^{20011012022112} is an apocalyptic number.

It is an amenable number.

20011012022112 is an abundant number, since it is smaller than the sum of its proper divisors (32517894536184).

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

20011012022112 is a wasteful number, since it uses less digits than its factorization.

20011012022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208448041910 (or 208448041902 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20011012022112 its reverse (21122021011002), we get a palindrome (41133033033114).

The spelling of 20011012022112 in words is "twenty trillion, eleven billion, twelve million, twenty-two thousand, one hundred twelve".