212011112100122 has 64 divisors (see below), whose sum is σ = 330913465344000. Its totient is φ = 101764265211840.

The previous prime is 212011112100121. The next prime is 212011112100127. The reversal of 212011112100122 is 221001211110212.

It is a self number, because there is not a number n which added to its sum of digits gives 212011112100122.

It is not an unprimeable number, because it can be changed into a prime (212011112100121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13995049004 + ... + 13995064152.

It is an arithmetic number, because the mean of its divisors is an integer number (5170522896000).

Almost surely, 2^{212011112100122} is an apocalyptic number.

212011112100122 is a deficient number, since it is larger than the sum of its proper divisors (118902353243878).

212011112100122 is a wasteful number, since it uses less digits than its factorization.

212011112100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18011.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212011112100122 its reverse (221001211110212), we get a palindrome (433012323210334).

The spelling of 212011112100122 in words is "two hundred twelve trillion, eleven billion, one hundred twelve million, one hundred thousand, one hundred twenty-two".