11200020001011 has 32 divisors (see below), whose sum is σ = 16606322968320. Its totient is φ = 7460516048832.

The previous prime is 11200020001003. The next prime is 11200020001019. The reversal of 11200020001011 is 11010002000211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11200020001003) and next prime (11200020001019).

It is not a de Polignac number, because 11200020001011 - 2³ = 11200020001003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11200020000984 and 11200020001002.

It is not an unprimeable number, because it can be changed into a prime (11200020001019) 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, 434990040 + ... + 435015786.

It is an arithmetic number, because the mean of its divisors is an integer number (518947592760).

Almost surely, 2^{11200020001011} is an apocalyptic number.

11200020001011 is a deficient number, since it is larger than the sum of its proper divisors (5406302967309).

11200020001011 is a wasteful number, since it uses less digits than its factorization.

11200020001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38432 (or 38426 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11200020001011 its reverse (11010002000211), we get a palindrome (22210022001222).

The spelling of 11200020001011 in words is "eleven trillion, two hundred billion, twenty million, one thousand, eleven".