210012011211211 has 24 divisors (see below), whose sum is σ = 235709879609232. Its totient is φ = 186930179884800.

The previous prime is 210012011211199. The next prime is 210012011211217. The reversal of 210012011211211 is 112112110210012.

It is not a de Polignac number, because 210012011211211 - 2²¹ = 210012009114059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210012011211217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85563025 + ... + 87983266.

It is an arithmetic number, because the mean of its divisors is an integer number (9821244983718).

Almost surely, 2^{210012011211211} is an apocalyptic number.

210012011211211 is a deficient number, since it is larger than the sum of its proper divisors (25697868398021).

210012011211211 is a wasteful number, since it uses less digits than its factorization.

210012011211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173546523 (or 173546512 counting only the distinct ones).

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

Adding to 210012011211211 its reverse (112112110210012), we get a palindrome (322124121421223).

It can be divided in two parts, 2100120 and 11211211, that added together give a palindrome (13311331).

The spelling of 210012011211211 in words is "two hundred ten trillion, twelve billion, eleven million, two hundred eleven thousand, two hundred eleven".