210120122220011 has 8 divisors (see below), whose sum is σ = 213957911680560. Its totient is φ = 206291547141472.

The previous prime is 210120122219977. The next prime is 210120122220013. The reversal of 210120122220011 is 110022221021012.

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-210120122220011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210120122220013) 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, 2303549480 + ... + 2303640693.

It is an arithmetic number, because the mean of its divisors is an integer number (26744738960070).

Almost surely, 2^{210120122220011} is an apocalyptic number.

210120122220011 is a deficient number, since it is larger than the sum of its proper divisors (3837789460549).

210120122220011 is an equidigital number, since it uses as much as digits as its factorization.

210120122220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607191005.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210120122220011 its reverse (110022221021012), we get a palindrome (320142343241023).

The spelling of 210120122220011 in words is "two hundred ten trillion, one hundred twenty billion, one hundred twenty-two million, two hundred twenty thousand, eleven".