201010021109 has 8 divisors (see below), whose sum is σ = 205741877952. Its totient is φ = 196331631840.

The previous prime is 201010021097. The next prime is 201010021111. The reversal of 201010021109 is 901120010102.

201010021109 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201010021109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010021169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13359287 + ... + 13374324.

It is an arithmetic number, because the mean of its divisors is an integer number (25717734744).

Almost surely, 2^201010021109 is an apocalyptic number.

It is an amenable number.

201010021109 is a deficient number, since it is larger than the sum of its proper divisors (4731856843).

201010021109 is a wasteful number, since it uses less digits than its factorization.

201010021109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26733787.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 201010021109 in words is "two hundred one billion, ten million, twenty-one thousand, one hundred nine".