210202011011 has 16 divisors (see below), whose sum is σ = 215092620288. Its totient is φ = 205329316800.

The previous prime is 210202010983. The next prime is 210202011017. The reversal of 210202011011 is 110110202012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210202011011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210202010983 and 210202011001.

It is not an unprimeable number, because it can be changed into a prime (210202011017) 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, 77478191 + ... + 77480903.

It is an arithmetic number, because the mean of its divisors is an integer number (13443288768).

Almost surely, 2^210202011011 is an apocalyptic number.

210202011011 is a deficient number, since it is larger than the sum of its proper divisors (4890609277).

210202011011 is a wasteful number, since it uses less digits than its factorization.

210202011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5362.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210202011011 its reverse (110110202012), we get a palindrome (320312213023).

The spelling of 210202011011 in words is "two hundred ten billion, two hundred two million, eleven thousand, eleven".