101211021020212 has 12 divisors (see below), whose sum is σ = 177122609661060. Its totient is φ = 50604561117056.

The previous prime is 101211021020167. The next prime is 101211021020233. The reversal of 101211021020212 is 212020120112101.

It can be written as a sum of positive squares in 2 ways, for example, as 16692160044816 + 84518860975396 = 4085604^2 + 9193414^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237108373 + ... + 237534844.

It is an arithmetic number, because the mean of its divisors is an integer number (14760217471755).

Almost surely, 2^{101211021020212} is an apocalyptic number.

It is an amenable number.

101211021020212 is a deficient number, since it is larger than the sum of its proper divisors (75911588640848).

101211021020212 is a wasteful number, since it uses less digits than its factorization.

101211021020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474696530 (or 474696528 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101211021020212 its reverse (212020120112101), we get a palindrome (313231141132313).

The spelling of 101211021020212 in words is "one hundred one trillion, two hundred eleven billion, twenty-one million, twenty thousand, two hundred twelve".