11100021010 has 16 divisors (see below), whose sum is σ = 21516964056. Its totient is φ = 4098469248.

The previous prime is 11100020959. The next prime is 11100021011. The reversal of 11100021010 is 1012000111.

It can be written as a sum of positive squares in 4 ways, for example, as 3316723281 + 7783297729 = 57591^2 + 88223^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11100020984 and 11100021002.

It is not an unprimeable number, because it can be changed into a prime (11100021011) 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, 42692259 + ... + 42692518.

Almost surely, 2^11100021010 is an apocalyptic number.

11100021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11100021010 is a deficient number, since it is larger than the sum of its proper divisors (10416943046).

11100021010 is a wasteful number, since it uses less digits than its factorization.

11100021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85384797.

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

Adding to 11100021010 its reverse (1012000111), we get a palindrome (12112021121).

The spelling of 11100021010 in words is "eleven billion, one hundred million, twenty-one thousand, ten".