210210021011211 has 16 divisors (see below), whose sum is σ = 301840304559360. Its totient is φ = 129359895334560.

The previous prime is 210210021011171. The next prime is 210210021011261. The reversal of 210210021011211 is 112110120012012.

It is a happy number.

It is not a de Polignac number, because 210210021011211 - 2¹³ = 210210021003019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210210021011261) 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, 63419466 + ... + 66651696.

It is an arithmetic number, because the mean of its divisors is an integer number (18865019034960).

Almost surely, 2^{210210021011211} is an apocalyptic number.

210210021011211 is a deficient number, since it is larger than the sum of its proper divisors (91630283548149).

210210021011211 is a wasteful number, since it uses less digits than its factorization.

210210021011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899826.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210210021011211 its reverse (112110120012012), we get a palindrome (322320141023223).

The spelling of 210210021011211 in words is "two hundred ten trillion, two hundred ten billion, twenty-one million, eleven thousand, two hundred eleven".