211101220310012 has 48 divisors (see below), whose sum is σ = 385648749652320. Its totient is φ = 101035460241408.

The previous prime is 211101220310003. The next prime is 211101220310059. The reversal of 211101220310012 is 210013022101112.

It is a happy number.

It is a congruent number.

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, 59289023 + ... + 62748630.

It is an arithmetic number, because the mean of its divisors is an integer number (8034348951090).

Almost surely, 2^{211101220310012} is an apocalyptic number.

It is an amenable number.

211101220310012 is a deficient number, since it is larger than the sum of its proper divisors (174547529342308).

211101220310012 is a wasteful number, since it uses less digits than its factorization.

211101220310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122037902 (or 122037900 counting only the distinct ones).

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

Adding to 211101220310012 its reverse (210013022101112), we get a palindrome (421114242411124).

The spelling of 211101220310012 in words is "two hundred eleven trillion, one hundred one billion, two hundred twenty million, three hundred ten thousand, twelve".