22221211102112 has 48 divisors (see below), whose sum is σ = 47725813814112. Its totient is φ = 10100399665920.

The previous prime is 22221211102087. The next prime is 22221211102117. The reversal of 22221211102112 is 21120111212222.

It is not an unprimeable number, because it can be changed into a prime (22221211102117) 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, 25101458 + ... + 25971630.

It is an arithmetic number, because the mean of its divisors is an integer number (994287787794).

Almost surely, 2^{22221211102112} is an apocalyptic number.

22221211102112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22221211102112 is an abundant number, since it is smaller than the sum of its proper divisors (25504602712000).

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

22221211102112 is a wasteful number, since it uses less digits than its factorization.

22221211102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942741 (or 942733 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22221211102112 its reverse (21120111212222), we get a palindrome (43341322314334).

It can be divided in two parts, 2222121 and 1102112, that added together give a palindrome (3324233).

The spelling of 22221211102112 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred eleven million, one hundred two thousand, one hundred twelve".