211121001222202 has 8 divisors (see below), whose sum is σ = 316681971930036. Its totient is φ = 105560343912192.

The previous prime is 211121001222193. The next prime is 211121001222227. The reversal of 211121001222202 is 202222100121112.

It can be written as a sum of positive squares in 2 ways, for example, as 209406396916161 + 1714604306041 = 14470881^2 + 1309429^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 211121001222202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76658023 + ... + 79364314.

Almost surely, 2^{211121001222202} is an apocalyptic number.

211121001222202 is a deficient number, since it is larger than the sum of its proper divisors (105560970707834).

211121001222202 is a wasteful number, since it uses less digits than its factorization.

211121001222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156698912.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211121001222202 its reverse (202222100121112), we get a palindrome (413343101343314).

The spelling of 211121001222202 in words is "two hundred eleven trillion, one hundred twenty-one billion, one million, two hundred twenty-two thousand, two hundred two".