212210011112222 has 8 divisors (see below), whose sum is σ = 322150137351336. Its totient is φ = 104826631995112.

The previous prime is 212210011112219. The next prime is 212210011112257. The reversal of 212210011112222 is 222211110012212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212210011112194 and 212210011112203.

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, 639186780293 + ... + 639186780624.

It is an arithmetic number, because the mean of its divisors is an integer number (40268767168917).

Almost surely, 2^{212210011112222} is an apocalyptic number.

212210011112222 is a deficient number, since it is larger than the sum of its proper divisors (109940126239114).

212210011112222 is a wasteful number, since it uses less digits than its factorization.

212210011112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278373561002.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212210011112222 its reverse (222211110012212), we get a palindrome (434421121124434).

The spelling of 212210011112222 in words is "two hundred twelve trillion, two hundred ten billion, eleven million, one hundred twelve thousand, two hundred twenty-two".