110021200120001 has 4 divisors (see below), whose sum is σ = 110026074160212. Its totient is φ = 110016326079792.

The previous prime is 110021200119967. The next prime is 110021200120037. The reversal of 110021200120001 is 100021002120011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40878632449600 + 69142567670401 = 6393640^2 + 8315201^2 .

It is a cyclic number.

It is not a de Polignac number, because 110021200120001 - 2³⁰ = 110020126378177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110021200120061) 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, 2436986246 + ... + 2437031391.

It is an arithmetic number, because the mean of its divisors is an integer number (27506518540053).

Almost surely, 2^{110021200120001} is an apocalyptic number.

It is an amenable number.

110021200120001 is a deficient number, since it is larger than the sum of its proper divisors (4874040211).

110021200120001 is an equidigital number, since it uses as much as digits as its factorization.

110021200120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874040210.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110021200120001 its reverse (100021002120011), we get a palindrome (210042202240012).

The spelling of 110021200120001 in words is "one hundred ten trillion, twenty-one billion, two hundred million, one hundred twenty thousand, one".