212101000122002 has 4 divisors (see below), whose sum is σ = 318151500183006. Its totient is φ = 106050500061000.

The previous prime is 212101000121993. The next prime is 212101000122019. The reversal of 212101000122002 is 200221000101212.

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., 106286017059121 + 105814983062881 = 10309511^2 + 10286641^2 .

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, 53025250030499 + ... + 53025250030502.

Almost surely, 2^{212101000122002} is an apocalyptic number.

212101000122002 is a deficient number, since it is larger than the sum of its proper divisors (106050500061004).

212101000122002 is a wasteful number, since it uses less digits than its factorization.

212101000122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106050500061003.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212101000122002 its reverse (200221000101212), we get a palindrome (412322000223214).

The spelling of 212101000122002 in words is "two hundred twelve trillion, one hundred one billion, one hundred twenty-two thousand, two".