212100101202122 has 16 divisors (see below), whose sum is σ = 364534878314880. Its totient is φ = 90666367165968.

The previous prime is 212100101202109. The next prime is 212100101202163. The reversal of 212100101202122 is 221202101001212.

It is a self number, because there is not a number n which added to its sum of digits gives 212100101202122.

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, 19473011558 + ... + 19473022449.

It is an arithmetic number, because the mean of its divisors is an integer number (22783429894680).

Almost surely, 2^{212100101202122} is an apocalyptic number.

212100101202122 is a deficient number, since it is larger than the sum of its proper divisors (152434777112758).

212100101202122 is a wasteful number, since it uses less digits than its factorization.

212100101202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38946034405.

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

Adding to 212100101202122 its reverse (221202101001212), we get a palindrome (433302202203334).

The spelling of 212100101202122 in words is "two hundred twelve trillion, one hundred billion, one hundred one million, two hundred two thousand, one hundred twenty-two".