101211101201212 has 48 divisors (see below), whose sum is σ = 181787073037920. Its totient is φ = 49276679961600.

The previous prime is 101211101201201. The next prime is 101211101201239. The reversal of 101211101201212 is 212102101112101.

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, 1772588248 + ... + 1772645344.

It is an arithmetic number, because the mean of its divisors is an integer number (3787230688290).

Almost surely, 2^{101211101201212} is an apocalyptic number.

It is an amenable number.

101211101201212 is a deficient number, since it is larger than the sum of its proper divisors (80575971836708).

101211101201212 is a wasteful number, since it uses less digits than its factorization.

101211101201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77662 (or 77660 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 101211101201212 its reverse (212102101112101), we get a palindrome (313313202313313).

The spelling of 101211101201212 in words is "one hundred one trillion, two hundred eleven billion, one hundred one million, two hundred one thousand, two hundred twelve".