101211022101212 has 6 divisors (see below), whose sum is σ = 177119288677128. Its totient is φ = 50605511050604.

The previous prime is 101211022101187. The next prime is 101211022101289. The reversal of 101211022101212 is 212101220112101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12651377762648 + ... + 12651377762655.

It is an arithmetic number, because the mean of its divisors is an integer number (29519881446188).

Almost surely, 2^{101211022101212} is an apocalyptic number.

It is an amenable number.

101211022101212 is a deficient number, since it is larger than the sum of its proper divisors (75908266575916).

101211022101212 is a wasteful number, since it uses less digits than its factorization.

101211022101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25302755525307 (or 25302755525305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101211022101212 its reverse (212101220112101), we get a palindrome (313312242213313).

The spelling of 101211022101212 in words is "one hundred one trillion, two hundred eleven billion, twenty-two million, one hundred one thousand, two hundred twelve".