201012201221109 has 16 divisors (see below), whose sum is σ = 284020603917120. Its totient is φ = 126231379514240.

The previous prime is 201012201221021. The next prime is 201012201221131. The reversal of 201012201221109 is 901122102210102.

It is a cyclic number.

It is not a de Polignac number, because 201012201221109 - 2⁷ = 201012201220981 is a prime.

It is a super-2 number, since 2×201012201221109² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012201221159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28176643647 + ... + 28176650780.

It is an arithmetic number, because the mean of its divisors is an integer number (17751287744820).

Almost surely, 2^{201012201221109} is an apocalyptic number.

201012201221109 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

201012201221109 is a deficient number, since it is larger than the sum of its proper divisors (83008402696011).

201012201221109 is a wasteful number, since it uses less digits than its factorization.

201012201221109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56353294500.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 201012201221109 in words is "two hundred one trillion, twelve billion, two hundred one million, two hundred twenty-one thousand, one hundred nine".