220011112102312 has 8 divisors (see below), whose sum is σ = 412520835191850. Its totient is φ = 110005556051152.

The previous prime is 220011112102303. The next prime is 220011112102319. The reversal of 220011112102312 is 213201211110022.

It can be written as a sum of positive squares in only one way, i.e., 112785377042116 + 107225735060196 = 10620046^2 + 10354986^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 220011112102312.

It is not an unprimeable number, because it can be changed into a prime (220011112102319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13750694506387 + ... + 13750694506402.

Almost surely, 2^{220011112102312} is an apocalyptic number.

It is an amenable number.

220011112102312 is a deficient number, since it is larger than the sum of its proper divisors (192509723089538).

220011112102312 is a wasteful number, since it uses less digits than its factorization.

220011112102312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27501389012795 (or 27501389012791 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 220011112102312 its reverse (213201211110022), we get a palindrome (433212323212334).

The spelling of 220011112102312 in words is "two hundred twenty trillion, eleven billion, one hundred twelve million, one hundred two thousand, three hundred twelve".