210013011 has 12 divisors (see below), whose sum is σ = 326687088. Its totient is φ = 129238704.

The previous prime is 210013009. The next prime is 210013039. The reversal of 210013011 is 110310012.

It is not a de Polignac number, because 210013011 - 2¹ = 210013009 is a prime.

It is a super-2 number, since 2×210013011² = 88210929578572242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 210012984 and 210013002.

It is not an unprimeable number, because it can be changed into a prime (210013081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 897375 + ... + 897608.

It is an arithmetic number, because the mean of its divisors is an integer number (27223924).

Almost surely, 2^210013011 is an apocalyptic number.

210013011 is a deficient number, since it is larger than the sum of its proper divisors (116674077).

210013011 is a wasteful number, since it uses less digits than its factorization.

210013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795002 (or 1794999 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 210013011 is about 14491.8256613858. The cubic root of 210013011 is about 594.4044706369.

Adding to 210013011 its reverse (110310012), we get a palindrome (320323023).

The spelling of 210013011 in words is "two hundred ten million, thirteen thousand, eleven".