1110021011 has 8 divisors (see below), whose sum is σ = 1222042800. Its totient is φ = 999851040.

The previous prime is 1110020981. The next prime is 1110021019. The reversal of 1110021011 is 1101200111.

It is a happy number.

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 1110021011 - 2²² = 1105826707 is a prime.

It is a super-2 number, since 2×1110021011² = 2464293289722924242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1110021011.

It is not an unprimeable number, because it can be changed into a prime (1110021019) 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, 461696 + ... + 464093.

It is an arithmetic number, because the mean of its divisors is an integer number (152755350).

Almost surely, 2^1110021011 is an apocalyptic number.

1110021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1110021011 is a deficient number, since it is larger than the sum of its proper divisors (112021789).

1110021011 is a wasteful number, since it uses less digits than its factorization.

1110021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925909.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1110021011 is about 33316.9778191240. The cubic root of 1110021011 is about 1035.4053383694.

Adding to 1110021011 its reverse (1101200111), we get a palindrome (2211221122).

Subtracting from 1110021011 its reverse (1101200111), we obtain a square (8820900 = 2970²).

The spelling of 1110021011 in words is "one billion, one hundred ten million, twenty-one thousand, eleven".