212101022021102 has 16 divisors (see below), whose sum is σ = 319301975023440. Its totient is φ = 105667034856768.

The previous prime is 212101022021069. The next prime is 212101022021129. The reversal of 212101022021102 is 201120220101212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101437913 + ... + 103507739.

It is an arithmetic number, because the mean of its divisors is an integer number (19956373438965).

Almost surely, 2^{212101022021102} is an apocalyptic number.

212101022021102 is a deficient number, since it is larger than the sum of its proper divisors (107200953002338).

212101022021102 is a wasteful number, since it uses less digits than its factorization.

212101022021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255075.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212101022021102 its reverse (201120220101212), we get a palindrome (413221242122314).

The spelling of 212101022021102 in words is "two hundred twelve trillion, one hundred one billion, twenty-two million, twenty-one thousand, one hundred two".