212202020012111 has 8 divisors (see below), whose sum is σ = 216761516493984. Its totient is φ = 207686155075840.

The previous prime is 212202020012057. The next prime is 212202020012137. The reversal of 212202020012111 is 111210020202212.

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

It is a de Polignac number, because none of the positive numbers 2^k-212202020012111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212202020012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202020012011) 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, 10907876570 + ... + 10907896023.

It is an arithmetic number, because the mean of its divisors is an integer number (27095189561748).

Almost surely, 2^{212202020012111} is an apocalyptic number.

212202020012111 is a deficient number, since it is larger than the sum of its proper divisors (4559496481873).

212202020012111 is a wasteful number, since it uses less digits than its factorization.

212202020012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21815772801.

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

Adding to 212202020012111 its reverse (111210020202212), we get a palindrome (323412040214323).

The spelling of 212202020012111 in words is "two hundred twelve trillion, two hundred two billion, twenty million, twelve thousand, one hundred eleven".