22011200012112 has 40 divisors (see below), whose sum is σ = 56880807106656. Its totient is φ = 7334674359936.

The previous prime is 22011200012029. The next prime is 22011200012119. The reversal of 22011200012112 is 21121000211022.

It is a junction number, because it is equal to n+sod(n) for n = 22011200012091 and 22011200012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011200012119) 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, 74610963 + ... + 74905394.

Almost surely, 2^{22011200012112} is an apocalyptic number.

It is an amenable number.

22011200012112 is an abundant number, since it is smaller than the sum of its proper divisors (34869607094544).

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

22011200012112 is a wasteful number, since it uses less digits than its factorization.

22011200012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149519435 (or 149519429 counting only the distinct ones).

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

Adding to 22011200012112 its reverse (21121000211022), we get a palindrome (43132200223134).

The spelling of 22011200012112 in words is "twenty-two trillion, eleven billion, two hundred million, twelve thousand, one hundred twelve".