210220232011 has 4 divisors (see below), whose sum is σ = 210225854232. Its totient is φ = 210214609792.

The previous prime is 210220232009. The next prime is 210220232021. The reversal of 210220232011 is 110232022012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 210220232011 - 2¹ = 210220232009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210220232021) 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, 2754646 + ... + 2829931.

It is an arithmetic number, because the mean of its divisors is an integer number (52556463558).

Almost surely, 2^210220232011 is an apocalyptic number.

210220232011 is a deficient number, since it is larger than the sum of its proper divisors (5622221).

210220232011 is an equidigital number, since it uses as much as digits as its factorization.

210220232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622220.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210220232011 its reverse (110232022012), we get a palindrome (320452254023).

The spelling of 210220232011 in words is "two hundred ten billion, two hundred twenty million, two hundred thirty-two thousand, eleven".