201019290911 has 8 divisors (see below), whose sum is σ = 202622725200. Its totient is φ = 199418103360.

The previous prime is 201019290889. The next prime is 201019290917. The reversal of 201019290911 is 119092910102.

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-201019290911 is a prime.

It is a super-2 number, since 2×201019290911² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201019290917) 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, 381800 + ... + 740141.

It is an arithmetic number, because the mean of its divisors is an integer number (25327840650).

Almost surely, 2^201019290911 is an apocalyptic number.

201019290911 is a deficient number, since it is larger than the sum of its proper divisors (1603434289).

201019290911 is a wasteful number, since it uses less digits than its factorization.

201019290911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123369.

The product of its (nonzero) digits is 2916, while the sum is 35.

The spelling of 201019290911 in words is "two hundred one billion, nineteen million, two hundred ninety thousand, nine hundred eleven".