201201221019 has 8 divisors (see below), whose sum is σ = 268905513232. Its totient is φ = 133815538080.

The previous prime is 201201220999. The next prime is 201201221057. The reversal of 201201221019 is 910122102102.

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

It is not a de Polignac number, because 201201221019 - 2²⁵ = 201167666587 is a prime.

It is a super-2 number, since 2×201201221019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201201220986 and 201201221004.

It is not an unprimeable number, because it can be changed into a prime (201201221059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79650844 + ... + 79653369.

It is an arithmetic number, because the mean of its divisors is an integer number (33613189154).

Almost surely, 2^201201221019 is an apocalyptic number.

201201221019 is a deficient number, since it is larger than the sum of its proper divisors (67704292213).

201201221019 is a wasteful number, since it uses less digits than its factorization.

201201221019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159304637.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 201201221019 in words is "two hundred one billion, two hundred one million, two hundred twenty-one thousand, nineteen".