210220211012011 has 4 divisors (see below), whose sum is σ = 210226020322552. Its totient is φ = 210214401701472.

The previous prime is 210220211011973. The next prime is 210220211012017. The reversal of 210220211012011 is 110210112022012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210220211012011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210220211012017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2904600990 + ... + 2904673363.

It is an arithmetic number, because the mean of its divisors is an integer number (52556505080638).

Almost surely, 2^{210220211012011} is an apocalyptic number.

210220211012011 is a deficient number, since it is larger than the sum of its proper divisors (5809310541).

210220211012011 is an equidigital number, since it uses as much as digits as its factorization.

210220211012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809310540.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210220211012011 its reverse (110210112022012), we get a palindrome (320430323034023).

The spelling of 210220211012011 in words is "two hundred ten trillion, two hundred twenty billion, two hundred eleven million, twelve thousand, eleven".