211222102201052 has 24 divisors (see below), whose sum is σ = 375720019671360. Its totient is φ = 103873725063360.

The previous prime is 211222102201051. The next prime is 211222102201223. The reversal of 211222102201052 is 250102201222112.

It is a super-2 number, since 2×211222102201052² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222102201051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20752427 + ... + 29208002.

It is an arithmetic number, because the mean of its divisors is an integer number (15655000819640).

Almost surely, 2^{211222102201052} is an apocalyptic number.

It is an amenable number.

211222102201052 is a deficient number, since it is larger than the sum of its proper divisors (164497917470308).

211222102201052 is a wasteful number, since it uses less digits than its factorization.

211222102201052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49977821 (or 49977819 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 211222102201052 its reverse (250102201222112), we get a palindrome (461324303423164).

The spelling of 211222102201052 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred two million, two hundred one thousand, fifty-two".