211222000001001 has 32 divisors (see below), whose sum is σ = 314414271654912. Its totient is φ = 125021427370560.

The previous prime is 211222000000993. The next prime is 211222000001027. The reversal of 211222000001001 is 100100000222112.

It is not a de Polignac number, because 211222000001001 - 2³ = 211222000000993 is a prime.

It is a super-2 number, since 2×211222000001001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211222000001071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3116151 + ... + 20788323.

It is an arithmetic number, because the mean of its divisors is an integer number (9825445989216).

Almost surely, 2^{211222000001001} is an apocalyptic number.

It is an amenable number.

211222000001001 is a deficient number, since it is larger than the sum of its proper divisors (103192271653911).

211222000001001 is a wasteful number, since it uses less digits than its factorization.

211222000001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17680653.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211222000001001 its reverse (100100000222112), we get a palindrome (311322000223113).

The spelling of 211222000001001 in words is "two hundred eleven trillion, two hundred twenty-two billion, one thousand, one".