201210022021111 has 8 divisors (see below), whose sum is σ = 202711776554304. Its totient is φ = 199713839861760.

The previous prime is 201210022021097. The next prime is 201210022021147. The reversal of 201210022021111 is 111120220012102.

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

It is a cyclic number.

It is not a de Polignac number, because 201210022021111 - 2⁷ = 201210022020983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201210022027111) 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, 1393020975 + ... + 1393165408.

It is an arithmetic number, because the mean of its divisors is an integer number (25338972069288).

Almost surely, 2^{201210022021111} is an apocalyptic number.

201210022021111 is a deficient number, since it is larger than the sum of its proper divisors (1501754533193).

201210022021111 is a wasteful number, since it uses less digits than its factorization.

201210022021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786186921.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201210022021111 its reverse (111120220012102), we get a palindrome (312330242033213).

The spelling of 201210022021111 in words is "two hundred one trillion, two hundred ten billion, twenty-two million, twenty-one thousand, one hundred eleven".