211222210202012 has 24 divisors (see below), whose sum is σ = 394009057738800. Its totient is φ = 98731581866240.

The previous prime is 211222210201991. The next prime is 211222210202119. The reversal of 211222210202012 is 210202012222112.

It is a super-2 number, since 2×211222210202012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10423509914 + ... + 10423530177.

It is an arithmetic number, because the mean of its divisors is an integer number (16417044072450).

Almost surely, 2^{211222210202012} is an apocalyptic number.

It is an amenable number.

211222210202012 is a deficient number, since it is larger than the sum of its proper divisors (182786847536788).

211222210202012 is a wasteful number, since it uses less digits than its factorization.

211222210202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20847040261 (or 20847040259 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211222210202012 its reverse (210202012222112), we get a palindrome (421424222424124).

The spelling of 211222210202012 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred ten million, two hundred two thousand, twelve".