212102020111222 has 8 divisors (see below), whose sum is σ = 320581679252472. Its totient is φ = 105241460360400.

The previous prime is 212102020111213. The next prime is 212102020111231. The reversal of 212102020111222 is 222111020201212.

It is an interprime number because it is at equal distance from previous prime (212102020111213) and next prime (212102020111231).

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

It is a super-2 number, since 2×212102020111222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212102020111222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404774847279 + ... + 404774847802.

It is an arithmetic number, because the mean of its divisors is an integer number (40072709906559).

Almost surely, 2^{212102020111222} is an apocalyptic number.

212102020111222 is a deficient number, since it is larger than the sum of its proper divisors (108479659141250).

212102020111222 is a wasteful number, since it uses less digits than its factorization.

212102020111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809549695214.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212102020111222 its reverse (222111020201212), we get a palindrome (434213040312434).

The spelling of 212102020111222 in words is "two hundred twelve trillion, one hundred two billion, twenty million, one hundred eleven thousand, two hundred twenty-two".