210222021002212 has 6 divisors (see below), whose sum is σ = 367888536753878. Its totient is φ = 105111010501104.

The previous prime is 210222021002141. The next prime is 210222021002239. The reversal of 210222021002212 is 212200120222012.

It can be written as a sum of positive squares in only one way, i.e., 135561637892836 + 74660383109376 = 11643094^2 + 8640624^2 .

It is a super-3 number, since 3×210222021002212³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 210222021002212.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26277752625273 + ... + 26277752625280.

Almost surely, 2^{210222021002212} is an apocalyptic number.

It is an amenable number.

210222021002212 is a deficient number, since it is larger than the sum of its proper divisors (157666515751666).

210222021002212 is a wasteful number, since it uses less digits than its factorization.

210222021002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52555505250557 (or 52555505250555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 210222021002212 its reverse (212200120222012), we get a palindrome (422422141224224).

The spelling of 210222021002212 in words is "two hundred ten trillion, two hundred twenty-two billion, twenty-one million, two thousand, two hundred twelve".