22011001011112 has 8 divisors (see below), whose sum is σ = 41270626895850. Its totient is φ = 11005500505552.

The previous prime is 22011001011053. The next prime is 22011001011119. The reversal of 22011001011112 is 21111010011022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12911330578756 + 9099670432356 = 3593234^2 + 3016566^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22011001011112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22011001011092 and 22011001011101.

It is not an unprimeable number, because it can be changed into a prime (22011001011119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375687563187 + ... + 1375687563202.

Almost surely, 2^{22011001011112} is an apocalyptic number.

It is an amenable number.

22011001011112 is a deficient number, since it is larger than the sum of its proper divisors (19259625884738).

22011001011112 is a wasteful number, since it uses less digits than its factorization.

22011001011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751375126395 (or 2751375126391 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22011001011112 its reverse (21111010011022), we get a palindrome (43122011022134).

The spelling of 22011001011112 in words is "twenty-two trillion, eleven billion, one million, eleven thousand, one hundred twelve".