211350022216136 has 16 divisors (see below), whose sum is σ = 419591955870540. Its totient is φ = 99458833984000.

The previous prime is 211350022216063. The next prime is 211350022216171. The reversal of 211350022216136 is 631612220053112.

It can be written as a sum of positive squares in 2 ways, for example, as 172003382380036 + 39346639836100 = 13115006^2 + 6272690^2 .

It is a super-2 number, since 2×211350022216136² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211350022216096 and 211350022216105.

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 in 3 ways as a sum of consecutive naturals, for example, 777022140365 + ... + 777022140636.

Almost surely, 2^{211350022216136} is an apocalyptic number.

It is an amenable number.

211350022216136 is a deficient number, since it is larger than the sum of its proper divisors (208241933654404).

211350022216136 is a wasteful number, since it uses less digits than its factorization.

211350022216136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554044281024 (or 1554044281020 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 211350022216136 its reverse (631612220053112), we get a palindrome (842962242269248).

The spelling of 211350022216136 in words is "two hundred eleven trillion, three hundred fifty billion, twenty-two million, two hundred sixteen thousand, one hundred thirty-six".