211202210011 has 12 divisors (see below), whose sum is σ = 228721066968. Its totient is φ = 194936436864.

The previous prime is 211202209993. The next prime is 211202210033. The reversal of 211202210011 is 110012202112.

It is not a de Polignac number, because 211202210011 - 2⁹ = 211202209499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211202209973 and 211202210000.

It is not an unprimeable number, because it can be changed into a prime (211202210071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1800976 + ... + 1914658.

It is an arithmetic number, because the mean of its divisors is an integer number (19060088914).

Almost surely, 2^211202210011 is an apocalyptic number.

211202210011 is a deficient number, since it is larger than the sum of its proper divisors (17518856957).

211202210011 is a wasteful number, since it uses less digits than its factorization.

211202210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124702 (or 124689 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211202210011 its reverse (110012202112), we get a palindrome (321214412123).

The spelling of 211202210011 in words is "two hundred eleven billion, two hundred two million, two hundred ten thousand, eleven".