110021010120001 has 4 divisors (see below), whose sum is σ = 111570601811904. Its totient is φ = 108471418428100.

The previous prime is 110021010119957. The next prime is 110021010120029. The reversal of 110021010120001 is 100021010120011.

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 a cyclic number.

It is not a de Polignac number, because 110021010120001 - 2²⁵ = 110020976565569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110021010120001.

It is not an unprimeable number, because it can be changed into a prime (110021010120041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774795845845 + ... + 774795845986.

It is an arithmetic number, because the mean of its divisors is an integer number (27892650452976).

Almost surely, 2^{110021010120001} is an apocalyptic number.

It is an amenable number.

110021010120001 is a deficient number, since it is larger than the sum of its proper divisors (1549591691903).

110021010120001 is an equidigital number, since it uses as much as digits as its factorization.

110021010120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549591691902.

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

Adding to 110021010120001 its sum of digits (10), we get a palindrome (110021010120011).

Adding to 110021010120001 its reverse (100021010120011), we get a palindrome (210042020240012).

It can be divided in two parts, 110021010 and 120001, that added together give a palindrome (110141011).

The spelling of 110021010120001 in words is "one hundred ten trillion, twenty-one billion, ten million, one hundred twenty thousand, one".