21003322100211 has 24 divisors (see below), whose sum is σ = 33154309459440. Its totient is φ = 12706914758400.

The previous prime is 21003322100209. The next prime is 21003322100213. The reversal of 21003322100211 is 11200122330012.

21003322100211 is a `hidden beast` number, since 2 + 100 + 332 + 21 + 0 + 0 + 211 = 666.

It is an interprime number because it is at equal distance from previous prime (21003322100209) and next prime (21003322100213).

It is not a de Polignac number, because 21003322100211 - 2¹ = 21003322100209 is a prime.

It is a super-2 number, since 2×21003322100211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21003322100213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186371410 + ... + 186484071.

It is an arithmetic number, because the mean of its divisors is an integer number (1381429560810).

Almost surely, 2^{21003322100211} is an apocalyptic number.

21003322100211 is a deficient number, since it is larger than the sum of its proper divisors (12150987359229).

21003322100211 is a wasteful number, since it uses less digits than its factorization.

21003322100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372856067 (or 372856064 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21003322100211 its reverse (11200122330012), we get a palindrome (32203444430223).

The spelling of 21003322100211 in words is "twenty-one trillion, three billion, three hundred twenty-two million, one hundred thousand, two hundred eleven".