212220221122102 has 32 divisors (see below), whose sum is σ = 322877228544000. Its totient is φ = 104598804710400.

The previous prime is 212220221122037. The next prime is 212220221122109. The reversal of 212220221122102 is 201221122022212.

It is a super-2 number, since 2×212220221122102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220221122109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3665323149 + ... + 3665381047.

It is an arithmetic number, because the mean of its divisors is an integer number (10089913392000).

Almost surely, 2^{212220221122102} is an apocalyptic number.

212220221122102 is a deficient number, since it is larger than the sum of its proper divisors (110657007421898).

212220221122102 is a wasteful number, since it uses less digits than its factorization.

212220221122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94812.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212220221122102 its reverse (201221122022212), we get a palindrome (413441343144314).

The spelling of 212220221122102 in words is "two hundred twelve trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred two".