11020001220009 has 36 divisors (see below), whose sum is σ = 16801313501700. Its totient is φ = 6959312002368.

The previous prime is 11020001219959. The next prime is 11020001220017. The reversal of 11020001220009 is 90002210002011.

It can be written as a sum of positive squares in 2 ways, for example, as 6972372275625 + 4047628944384 = 2640525^2 + 2011872^2 .

It is not a de Polignac number, because 11020001220009 - 2¹² = 11020001215913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020001219973 and 11020001220000.

It is not an unprimeable number, because it can be changed into a prime (11020001220049) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33721207 + ... + 34046435.

It is an arithmetic number, because the mean of its divisors is an integer number (466703152825).

Almost surely, 2^{11020001220009} is an apocalyptic number.

11020001220009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11020001220009 is a deficient number, since it is larger than the sum of its proper divisors (5781312281691).

11020001220009 is a wasteful number, since it uses less digits than its factorization.

11020001220009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335702 (or 335680 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 11020001220009 in words is "eleven trillion, twenty billion, one million, two hundred twenty thousand, nine".