211010011221011 has 8 divisors (see below), whose sum is σ = 220187823678240. Its totient is φ = 201832487442432.

The previous prime is 211010011220993. The next prime is 211010011221043. The reversal of 211010011221011 is 110122110010112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211010011221011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211010011221091) 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, 70675310 + ... + 73600403.

It is an arithmetic number, because the mean of its divisors is an integer number (27523477959780).

Almost surely, 2^{211010011221011} is an apocalyptic number.

211010011221011 is a deficient number, since it is larger than the sum of its proper divisors (9177812457229).

211010011221011 is a wasteful number, since it uses less digits than its factorization.

211010011221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144339325.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211010011221011 its reverse (110122110010112), we get a palindrome (321132121231123).

The spelling of 211010011221011 in words is "two hundred eleven trillion, ten billion, eleven million, two hundred twenty-one thousand, eleven".