211101021022312 has 8 divisors (see below), whose sum is σ = 395814414416850. Its totient is φ = 105550510511152.

The previous prime is 211101021022279. The next prime is 211101021022321. The reversal of 211101021022312 is 213220120101112.

It can be written as a sum of positive squares in only one way, i.e., 205492052980036 + 5608968042276 = 14334994^2 + 2368326^2 .

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

It is a super-2 number, since 2×211101021022312² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211101021022312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13193813813887 + ... + 13193813813902.

Almost surely, 2^{211101021022312} is an apocalyptic number.

It is an amenable number.

211101021022312 is a deficient number, since it is larger than the sum of its proper divisors (184713393394538).

211101021022312 is a wasteful number, since it uses less digits than its factorization.

211101021022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26387627627795 (or 26387627627791 counting only the distinct ones).

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

Adding to 211101021022312 its reverse (213220120101112), we get a palindrome (424321141123424).

The spelling of 211101021022312 in words is "two hundred eleven trillion, one hundred one billion, twenty-one million, twenty-two thousand, three hundred twelve".