212021101020101 has 8 divisors (see below), whose sum is σ = 219363691449600. Its totient is φ = 204680611789360.

The previous prime is 212021101020077. The next prime is 212021101020121. The reversal of 212021101020101 is 101020101120212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212021101020101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021101020121) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 525094385 + ... + 525498006.

It is an arithmetic number, because the mean of its divisors is an integer number (27420461431200).

Almost surely, 2^{212021101020101} is an apocalyptic number.

It is an amenable number.

212021101020101 is a deficient number, since it is larger than the sum of its proper divisors (7342590429499).

212021101020101 is a wasteful number, since it uses less digits than its factorization.

212021101020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050599379.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212021101020101 its reverse (101020101120212), we get a palindrome (313041202140313).

The spelling of 212021101020101 in words is "two hundred twelve trillion, twenty-one billion, one hundred one million, twenty thousand, one hundred one".