110220021001 has 8 divisors (see below), whose sum is σ = 110727839240. Its totient is φ = 109712994048.

The previous prime is 110220020969. The next prime is 110220021007. The reversal of 110220021001 is 100120022011.

It can be written as a sum of positive squares in 4 ways, for example, as 3175886025 + 107044134976 = 56355^2 + 327176^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110220021001 - 2⁵ = 110220020969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110220021007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82315 + ... + 476671.

It is an arithmetic number, because the mean of its divisors is an integer number (13840979905).

Almost surely, 2^110220021001 is an apocalyptic number.

It is an amenable number.

110220021001 is a deficient number, since it is larger than the sum of its proper divisors (507818239).

110220021001 is a wasteful number, since it uses less digits than its factorization.

110220021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395643.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 110220021001 its reverse (100120022011), we get a palindrome (210340043012).

The spelling of 110220021001 in words is "one hundred ten billion, two hundred twenty million, twenty-one thousand, one".