212211221102 has 8 divisors (see below), whose sum is σ = 337041351216. Its totient is φ = 99864104032.

The previous prime is 212211221093. The next prime is 212211221107. The reversal of 212211221102 is 201122112212.

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

It is a super-3 number, since 3×212211221102³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211221107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3120753218 + ... + 3120753285.

It is an arithmetic number, because the mean of its divisors is an integer number (42130168902).

Almost surely, 2^212211221102 is an apocalyptic number.

212211221102 is a deficient number, since it is larger than the sum of its proper divisors (124830130114).

212211221102 is a wasteful number, since it uses less digits than its factorization.

212211221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241506522.

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

Adding to 212211221102 its reverse (201122112212), we get a palindrome (413333333314).

The spelling of 212211221102 in words is "two hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, one hundred two".