211222111022002 has 4 divisors (see below), whose sum is σ = 316833166533006. Its totient is φ = 105611055511000.

The previous prime is 211222111021993. The next prime is 211222111022033. The reversal of 211222111022002 is 200220111222112.

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., 194156049452121 + 17066061569881 = 13933989^2 + 4131109^2 .

It is a super-2 number, since 2×211222111022002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52805527755499 + ... + 52805527755502.

Almost surely, 2^{211222111022002} is an apocalyptic number.

211222111022002 is a deficient number, since it is larger than the sum of its proper divisors (105611055511004).

211222111022002 is a wasteful number, since it uses less digits than its factorization.

211222111022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105611055511003.

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

Adding to 211222111022002 its reverse (200220111222112), we get a palindrome (411442222244114).

The spelling of 211222111022002 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred eleven million, twenty-two thousand, two".