212001110212222 has 4 divisors (see below), whose sum is σ = 318001665318336. Its totient is φ = 106000555106110.

The previous prime is 212001110212217. The next prime is 212001110212303. The reversal of 212001110212222 is 222212011100212.

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

It is a super-3 number, since 3×212001110212222³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212001110212222.

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, 53000277553054 + ... + 53000277553057.

It is an arithmetic number, because the mean of its divisors is an integer number (79500416329584).

Almost surely, 2^{212001110212222} is an apocalyptic number.

212001110212222 is a deficient number, since it is larger than the sum of its proper divisors (106000555106114).

212001110212222 is a wasteful number, since it uses less digits than its factorization.

212001110212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106000555106113.

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

Adding to 212001110212222 its reverse (222212011100212), we get a palindrome (434213121312434).

The spelling of 212001110212222 in words is "two hundred twelve trillion, one billion, one hundred ten million, two hundred twelve thousand, two hundred twenty-two".