211101003221012 has 6 divisors (see below), whose sum is σ = 369426755636778. Its totient is φ = 105550501610504.

The previous prime is 211101003220999. The next prime is 211101003221039. The reversal of 211101003221012 is 210122300101112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 210300056979076 + 800946241936 = 14501726^2 + 894956^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26387625402623 + ... + 26387625402630.

It is an arithmetic number, because the mean of its divisors is an integer number (61571125939463).

Almost surely, 2^{211101003221012} is an apocalyptic number.

It is an amenable number.

211101003221012 is a deficient number, since it is larger than the sum of its proper divisors (158325752415766).

211101003221012 is a wasteful number, since it uses less digits than its factorization.

211101003221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52775250805257 (or 52775250805255 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 211101003221012 its reverse (210122300101112), we get a palindrome (421223303322124).

The spelling of 211101003221012 in words is "two hundred eleven trillion, one hundred one billion, three million, two hundred twenty-one thousand, twelve".