212221020020102 has 8 divisors (see below), whose sum is σ = 318331819180056. Its totient is φ = 106110413626752.

The previous prime is 212221020020071. The next prime is 212221020020131. The reversal of 212221020020102 is 201020020122212.

It is a happy number.

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

It is a super-2 number, since 2×212221020020102² (a number of 29 digits) contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 45407168 + ... + 49862339.

It is an arithmetic number, because the mean of its divisors is an integer number (39791477397507).

Almost surely, 2^{212221020020102} is an apocalyptic number.

212221020020102 is a deficient number, since it is larger than the sum of its proper divisors (106110799159954).

212221020020102 is a wasteful number, since it uses less digits than its factorization.

212221020020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96383302.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212221020020102 its reverse (201020020122212), we get a palindrome (413241040142314).

The spelling of 212221020020102 in words is "two hundred twelve trillion, two hundred twenty-one billion, twenty million, twenty thousand, one hundred two".