201121112201019 has 32 divisors (see below), whose sum is σ = 281044079322624. Its totient is φ = 127691516789760.

The previous prime is 201121112201017. The next prime is 201121112201041. The reversal of 201121112201019 is 910102211121102.

It is not a de Polignac number, because 201121112201019 - 2¹ = 201121112201017 is a prime.

It is a super-2 number, since 2×201121112201019² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201121112201019.

It is not an unprimeable number, because it can be changed into a prime (201121112201017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9872929 + ... + 22354349.

It is an arithmetic number, because the mean of its divisors is an integer number (8782627478832).

Almost surely, 2^{201121112201019} is an apocalyptic number.

201121112201019 is a deficient number, since it is larger than the sum of its proper divisors (79922967121605).

201121112201019 is a wasteful number, since it uses less digits than its factorization.

201121112201019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12482467.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 201121112201019 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twelve million, two hundred one thousand, nineteen".