11020043001 has 8 divisors (see below), whose sum is σ = 16029153504. Its totient is φ = 6678813920.

The previous prime is 11020042993. The next prime is 11020043009. The reversal of 11020043001 is 10034002011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11020042993) and next prime (11020043009).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11020043001 - 2³ = 11020042993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020043009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166970316 + ... + 166970381.

It is an arithmetic number, because the mean of its divisors is an integer number (2003644188).

Almost surely, 2^11020043001 is an apocalyptic number.

11020043001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11020043001 is a deficient number, since it is larger than the sum of its proper divisors (5009110503).

11020043001 is a wasteful number, since it uses less digits than its factorization.

11020043001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333940711.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11020043001 its reverse (10034002011), we get a palindrome (21054045012).

The spelling of 11020043001 in words is "eleven billion, twenty million, forty-three thousand, one".