201012022211111 has 8 divisors (see below), whose sum is σ = 201093689323440. Its totient is φ = 200930360577408.

The previous prime is 201012022211089. The next prime is 201012022211123. The reversal of 201012022211111 is 111112220210102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201012022211111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201012022211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012022211131) 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, 72841565 + ... + 75550761.

It is an arithmetic number, because the mean of its divisors is an integer number (25136711165430).

Almost surely, 2^{201012022211111} is an apocalyptic number.

201012022211111 is a deficient number, since it is larger than the sum of its proper divisors (81667112329).

201012022211111 is a wasteful number, since it uses less digits than its factorization.

201012022211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739313.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201012022211111 its reverse (111112220210102), we get a palindrome (312124242421213).

The spelling of 201012022211111 in words is "two hundred one trillion, twelve billion, twenty-two million, two hundred eleven thousand, one hundred eleven".