110222121001 has 4 divisors (see below), whose sum is σ = 110222998272. Its totient is φ = 110221243732.

The previous prime is 110222120993. The next prime is 110222121007. The reversal of 110222121001 is 100121222011.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 100121222011 = 30949 ⋅3235039.

It is a cyclic number.

It is not a de Polignac number, because 110222121001 - 2³ = 110222120993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110222121007) 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, 210685 + ... + 514618.

It is an arithmetic number, because the mean of its divisors is an integer number (27555749568).

Almost surely, 2^110222121001 is an apocalyptic number.

It is an amenable number.

110222121001 is a deficient number, since it is larger than the sum of its proper divisors (877271).

110222121001 is an equidigital number, since it uses as much as digits as its factorization.

110222121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877270.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110222121001 its reverse (100121222011), we get a palindrome (210343343012).

The spelling of 110222121001 in words is "one hundred ten billion, two hundred twenty-two million, one hundred twenty-one thousand, one".