1111020001 has 8 divisors (see below), whose sum is σ = 1367409344. Its totient is φ = 879048720.

The previous prime is 1111019993. The next prime is 1111020011. The reversal of 1111020001 is 1000201111.

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 1111020001 - 2³ = 1111019993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (1111020011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6104415 + ... + 6104596.

It is an arithmetic number, because the mean of its divisors is an integer number (170926168).

Almost surely, 2^1111020001 is an apocalyptic number.

It is an amenable number.

1111020001 is a deficient number, since it is larger than the sum of its proper divisors (256389343).

1111020001 is a wasteful number, since it uses less digits than its factorization.

1111020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12209031.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1111020001 is about 33331.9666536495. The cubic root of 1111020001 is about 1035.7158578476.

Adding to 1111020001 its reverse (1000201111), we get a palindrome (2111221112).

The spelling of 1111020001 in words is "one billion, one hundred eleven million, twenty thousand, one".