201221202000111 has 8 divisors (see below), whose sum is σ = 268295519452800. Its totient is φ = 134147176273752.

The previous prime is 201221202000101. The next prime is 201221202000131. The reversal of 201221202000111 is 111000202122102.

201221202000111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 201221202000111 - 2³¹ = 201219054516463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201221202000101) 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, 71317035 + ... + 74084828.

It is an arithmetic number, because the mean of its divisors is an integer number (33536939931600).

Almost surely, 2^{201221202000111} is an apocalyptic number.

201221202000111 is a deficient number, since it is larger than the sum of its proper divisors (67074317452689).

201221202000111 is a wasteful number, since it uses less digits than its factorization.

201221202000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145863165.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201221202000111 its reverse (111000202122102), we get a palindrome (312221404122213).

The spelling of 201221202000111 in words is "two hundred one trillion, two hundred twenty-one billion, two hundred two million, one hundred eleven", and thus it is an aban number.