11020000012011 has 32 divisors (see below), whose sum is σ = 16344400596480. Its totient is φ = 7338354595488.

The previous prime is 11020000012009. The next prime is 11020000012051. The reversal of 11020000012011 is 11021000002011.

It is a happy number.

It is not a de Polignac number, because 11020000012011 - 2¹ = 11020000012009 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 = 11020000011984 and 11020000012002.

It is not an unprimeable number, because it can be changed into a prime (11020000012001) 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, 522091120 + ... + 522112226.

It is an arithmetic number, because the mean of its divisors is an integer number (510762518640).

Almost surely, 2^{11020000012011} is an apocalyptic number.

11020000012011 is a deficient number, since it is larger than the sum of its proper divisors (5324400584469).

11020000012011 is a wasteful number, since it uses less digits than its factorization.

11020000012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42080 (or 42074 counting only the distinct ones).

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

Adding to 11020000012011 its reverse (11021000002011), we get a palindrome (22041000014022).

It can be divided in two parts, 110200000 and 12011, that added together give a palindrome (110212011).

The spelling of 11020000012011 in words is "eleven trillion, twenty billion, twelve thousand, eleven".