201211000212111 has 8 divisors (see below), whose sum is σ = 268289562478080. Its totient is φ = 134136552377112.

The previous prime is 201211000212109. The next prime is 201211000212137. The reversal of 201211000212111 is 111212000112102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201211000212111 - 2¹ = 201211000212109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211000212191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028493631 + ... + 1028689248.

It is an arithmetic number, because the mean of its divisors is an integer number (33536195309760).

Almost surely, 2^{201211000212111} is an apocalyptic number.

201211000212111 is a deficient number, since it is larger than the sum of its proper divisors (67078562265969).

201211000212111 is a wasteful number, since it uses less digits than its factorization.

201211000212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057215485.

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

Adding to 201211000212111 its reverse (111212000112102), we get a palindrome (312423000324213).

The spelling of 201211000212111 in words is "two hundred one trillion, two hundred eleven billion, two hundred twelve thousand, one hundred eleven".