11022001011 has 24 divisors (see below), whose sum is σ = 18204236544. Its totient is φ = 6295106160.

The previous prime is 11022000937. The next prime is 11022001031. The reversal of 11022001011 is 11010022011.

It is a happy number.

It is not a de Polignac number, because 11022001011 - 2¹⁰ = 11021999987 is a prime.

It is a super-3 number, since 3×11022001011³ (a number of 31 digits) contains 333 as substring.

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 = 11022000984 and 11022001002.

It is not an unprimeable number, because it can be changed into a prime (11022001031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84546 + ... + 170856.

It is an arithmetic number, because the mean of its divisors is an integer number (758509856).

Almost surely, 2^11022001011 is an apocalyptic number.

11022001011 is a deficient number, since it is larger than the sum of its proper divisors (7182235533).

11022001011 is a wasteful number, since it uses less digits than its factorization.

11022001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88351 (or 88348 counting only the distinct ones).

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

Adding to 11022001011 its reverse (11010022011), we get a palindrome (22032023022).

The spelling of 11022001011 in words is "eleven billion, twenty-two million, one thousand, eleven".