210323021011 has 16 divisors (see below), whose sum is σ = 221368889088. Its totient is φ = 199549209600.

The previous prime is 210323020993. The next prime is 210323021017. The reversal of 210323021011 is 110120323012.

It is a cyclic number.

It is not a de Polignac number, because 210323021011 - 2⁷ = 210323020883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210323021017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2189095 + ... + 2283151.

It is an arithmetic number, because the mean of its divisors is an integer number (13835555568).

Almost surely, 2^210323021011 is an apocalyptic number.

210323021011 is a deficient number, since it is larger than the sum of its proper divisors (11045868077).

210323021011 is a wasteful number, since it uses less digits than its factorization.

210323021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95502.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 210323021011 its reverse (110120323012), we get a palindrome (320443344023).

The spelling of 210323021011 in words is "two hundred ten billion, three hundred twenty-three million, twenty-one thousand, eleven".