201112002101021 has 8 divisors (see below), whose sum is σ = 219397243500288. Its totient is φ = 182827149388000.

The previous prime is 201112002100993. The next prime is 201112002101039. The reversal of 201112002101021 is 120101200211102.

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 201112002101021 - 2¹⁰ = 201112002099997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201112002100987 and 201112002101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112002701021) 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, 96089165 + ... + 98159826.

It is an arithmetic number, because the mean of its divisors is an integer number (27424655437536).

Almost surely, 2^{201112002101021} is an apocalyptic number.

It is an amenable number.

201112002101021 is a deficient number, since it is larger than the sum of its proper divisors (18285241399267).

201112002101021 is a wasteful number, since it uses less digits than its factorization.

201112002101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194343123.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201112002101021 its reverse (120101200211102), we get a palindrome (321213202312123).

The spelling of 201112002101021 in words is "two hundred one trillion, one hundred twelve billion, two million, one hundred one thousand, twenty-one".