110011210021 has 16 divisors (see below), whose sum is σ = 114722751744. Its totient is φ = 105420006144.

The previous prime is 110011209991. The next prime is 110011210069. The reversal of 110011210021 is 120012110011.

It is a cyclic number.

It is not a de Polignac number, because 110011210021 - 2¹¹ = 110011207973 is a prime.

It is a Duffinian number.

110011210021 is a modest number, since divided by 210021 gives 110011 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110011214021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353026 + ... + 587068.

It is an arithmetic number, because the mean of its divisors is an integer number (7170171984).

Almost surely, 2^110011210021 is an apocalyptic number.

It is an amenable number.

110011210021 is a deficient number, since it is larger than the sum of its proper divisors (4711541723).

110011210021 is a wasteful number, since it uses less digits than its factorization.

110011210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234300.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110011210021 its reverse (120012110011), we get a palindrome (230023320032).

The spelling of 110011210021 in words is "one hundred ten billion, eleven million, two hundred ten thousand, twenty-one".