110012011101021 has 4 divisors (see below), whose sum is σ = 146682681468032. Its totient is φ = 73341340734012.

The previous prime is 110012011100987. The next prime is 110012011101043. The reversal of 110012011101021 is 120101110210011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 110012011101021 - 2¹⁰ = 110012011099997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110012011100988 and 110012011101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110012011101221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18335335183501 + ... + 18335335183506.

It is an arithmetic number, because the mean of its divisors is an integer number (36670670367008).

Almost surely, 2^{110012011101021} is an apocalyptic number.

It is an amenable number.

110012011101021 is a deficient number, since it is larger than the sum of its proper divisors (36670670367011).

110012011101021 is an equidigital number, since it uses as much as digits as its factorization.

110012011101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36670670367010.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 110012011101021 its reverse (120101110210011), we get a palindrome (230113121311032).

The spelling of 110012011101021 in words is "one hundred ten trillion, twelve billion, eleven million, one hundred one thousand, twenty-one".