212011000121222 has 4 divisors (see below), whose sum is σ = 318016500181836. Its totient is φ = 106005500060610.

The previous prime is 212011000121189. The next prime is 212011000121279. The reversal of 212011000121222 is 222121000110212.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212011000121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53002750030304 + ... + 53002750030307.

It is an arithmetic number, because the mean of its divisors is an integer number (79504125045459).

Almost surely, 2^{212011000121222} is an apocalyptic number.

212011000121222 is a deficient number, since it is larger than the sum of its proper divisors (106005500060614).

212011000121222 is a wasteful number, since it uses less digits than its factorization.

212011000121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106005500060613.

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

Adding to 212011000121222 its reverse (222121000110212), we get a palindrome (434132000231434).

The spelling of 212011000121222 in words is "two hundred twelve trillion, eleven billion, one hundred twenty-one thousand, two hundred twenty-two".