211120202211700 has 18 divisors (see below), whose sum is σ = 458130838799606. Its totient is φ = 84448080884640.

The previous prime is 211120202211661. The next prime is 211120202211701. The reversal of 211120202211700 is 7112202021112.

It can be written as a sum of positive squares in 3 ways, for example, as 1010016960016 + 210110185251684 = 1004996^2 + 14495178^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120202211701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1055601010959 + ... + 1055601011158.

Almost surely, 2^{211120202211700} is an apocalyptic number.

211120202211700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211120202211700 is an abundant number, since it is smaller than the sum of its proper divisors (247010636587906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211120202211700 is a wasteful number, since it uses less digits than its factorization.

211120202211700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111202022131 (or 2111202022124 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 211120202211700 its reverse (7112202021112), we get a palindrome (218232404232812).

The spelling of 211120202211700 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred two million, two hundred eleven thousand, seven hundred".