201211112011210 has 64 divisors (see below), whose sum is σ = 417722895152640. Its totient is φ = 68352867982080.

The previous prime is 201211112011181. The next prime is 201211112011211. The reversal of 201211112011210 is 12110211112102.

It is not an unprimeable number, because it can be changed into a prime (201211112011211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 873420640 + ... + 873650980.

It is an arithmetic number, because the mean of its divisors is an integer number (6526920236760).

Almost surely, 2^{201211112011210} is an apocalyptic number.

201211112011210 is an abundant number, since it is smaller than the sum of its proper divisors (216511783141430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201211112011210 is a wasteful number, since it uses less digits than its factorization.

201211112011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344951.

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

Adding to 201211112011210 its reverse (12110211112102), we get a palindrome (213321323123312).

The spelling of 201211112011210 in words is "two hundred one trillion, two hundred eleven billion, one hundred twelve million, eleven thousand, two hundred ten".