20212022112 has 48 divisors (see below), whose sum is σ = 53064849600. Its totient is φ = 6736287872.

The previous prime is 20212022111. The next prime is 20212022119. The reversal of 20212022112 is 21122021202.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 20212022091 and 20212022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212022111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 823003 + ... + 847205.

It is an arithmetic number, because the mean of its divisors is an integer number (1105517700).

Almost surely, 2^20212022112 is an apocalyptic number.

It is an amenable number.

20212022112 is an abundant number, since it is smaller than the sum of its proper divisors (32852827488).

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

20212022112 is a wasteful number, since it uses less digits than its factorization.

20212022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32915 (or 32907 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20212022112 its reverse (21122021202), we get a palindrome (41334043314).

It can be divided in two parts, 2021202 and 2112, that multiplied together give a palindrome (4268778624).

The spelling of 20212022112 in words is "twenty billion, two hundred twelve million, twenty-two thousand, one hundred twelve".