110220001211021 has 8 divisors (see below), whose sum is σ = 118790548557240. Its totient is φ = 101662608966912.

The previous prime is 110220001210997. The next prime is 110220001211059. The reversal of 110220001211021 is 120112100022011.

It can be written as a sum of positive squares in 4 ways, for example, as 33628273422121 + 76591727788900 = 5798989^2 + 8751670^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110220001211021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110220001210987 and 110220001211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110220001211081) 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, 3288758120 + ... + 3288791633.

It is an arithmetic number, because the mean of its divisors is an integer number (14848818569655).

Almost surely, 2^{110220001211021} is an apocalyptic number.

It is an amenable number.

110220001211021 is a deficient number, since it is larger than the sum of its proper divisors (8570547346219).

110220001211021 is a wasteful number, since it uses less digits than its factorization.

110220001211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6577551055.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110220001211021 its reverse (120112100022011), we get a palindrome (230332101233032).

The spelling of 110220001211021 in words is "one hundred ten trillion, two hundred twenty billion, one million, two hundred eleven thousand, twenty-one".