212100222002 has 4 divisors (see below), whose sum is σ = 318150333006. Its totient is φ = 106050111000.

The previous prime is 212100221987. The next prime is 212100222031. The reversal of 212100222002 is 200222001212.

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

It can be written as a sum of positive squares in only one way, i.e., 209168107801 + 2932114201 = 457349^2 + 54149^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53025055499 + ... + 53025055502.

Almost surely, 2^212100222002 is an apocalyptic number.

212100222002 is a deficient number, since it is larger than the sum of its proper divisors (106050111004).

212100222002 is a wasteful number, since it uses less digits than its factorization.

212100222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106050111003.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212100222002 its reverse (200222001212), we get a palindrome (412322223214).

The spelling of 212100222002 in words is "two hundred twelve billion, one hundred million, two hundred twenty-two thousand, two".