110120221221001 has 4 divisors (see below), whose sum is σ = 110120286682692. Its totient is φ = 110120155759312.

The previous prime is 110120221220903. The next prime is 110120221221041. The reversal of 110120221221001 is 100122122021011.

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 55181884259401 + 54938336961600 = 7428451^2 + 7412040^2 .

It is a cyclic number.

It is not a de Polignac number, because 110120221221001 - 2¹³ = 110120221212809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110120221221041) 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, 30139126 + ... + 33594751.

It is an arithmetic number, because the mean of its divisors is an integer number (27530071670673).

Almost surely, 2^{110120221221001} is an apocalyptic number.

It is an amenable number.

110120221221001 is a deficient number, since it is larger than the sum of its proper divisors (65461691).

110120221221001 is an equidigital number, since it uses as much as digits as its factorization.

110120221221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65461690.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110120221221001 its reverse (100122122021011), we get a palindrome (210242343242012).

The spelling of 110120221221001 in words is "one hundred ten trillion, one hundred twenty billion, two hundred twenty-one million, two hundred twenty-one thousand, one".