22011212011112 has 64 divisors (see below), whose sum is σ = 43083888238800. Its totient is φ = 10529155624960.

The previous prime is 22011212011097. The next prime is 22011212011127. The reversal of 22011212011112 is 21111021211022.

It is an interprime number because it is at equal distance from previous prime (22011212011097) and next prime (22011212011127).

It can be written as a sum of positive squares in 8 ways, for example, as 9425845583716 + 12585366427396 = 3070154^2 + 3547586^2 .

It is a super-2 number, since 2×22011212011112² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96282062 + ... + 96510402.

Almost surely, 2^{22011212011112} is an apocalyptic number.

It is an amenable number.

22011212011112 is a deficient number, since it is larger than the sum of its proper divisors (21072676227688).

22011212011112 is a wasteful number, since it uses less digits than its factorization.

22011212011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232166 (or 232162 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22011212011112 its reverse (21111021211022), we get a palindrome (43122233222134).

The spelling of 22011212011112 in words is "twenty-two trillion, eleven billion, two hundred twelve million, eleven thousand, one hundred twelve".