22212020112 has 40 divisors (see below), whose sum is σ = 59359712640. Its totient is φ = 7148695680.

The previous prime is 22212020093. The next prime is 22212020119. The reversal of 22212020112 is 21102021222.

It is a junction number, because it is equal to n+sod(n) for n = 22212020091 and 22212020100.

It is not an unprimeable number, because it can be changed into a prime (22212020119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7977064 + ... + 7979847.

It is an arithmetic number, because the mean of its divisors is an integer number (1483992816).

Almost surely, 2^22212020112 is an apocalyptic number.

It is an amenable number.

22212020112 is an abundant number, since it is smaller than the sum of its proper divisors (37147692528).

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

22212020112 is a wasteful number, since it uses less digits than its factorization.

22212020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15956951 (or 15956945 counting only the distinct ones).

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

Adding to 22212020112 its reverse (21102021222), we get a palindrome (43314041334).

The spelling of 22212020112 in words is "twenty-two billion, two hundred twelve million, twenty thousand, one hundred twelve".