110021211212201 has 4 divisors (see below), whose sum is σ = 110055929174100. Its totient is φ = 109986493250304.

The previous prime is 110021211212197. The next prime is 110021211212207. The reversal of 110021211212201 is 102212112120011.

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 86450963005801 + 23570248206400 = 9297901^2 + 4854920^2 .

It is a cyclic number.

It is not a de Polignac number, because 110021211212201 - 2² = 110021211212197 is a prime.

It is a super-4 number, since 4×110021211212201⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110021211212201.

It is not an unprimeable number, because it can be changed into a prime (110021211212207) 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, 17358976196 + ... + 17358982533.

It is an arithmetic number, because the mean of its divisors is an integer number (27513982293525).

Almost surely, 2^{110021211212201} is an apocalyptic number.

It is an amenable number.

110021211212201 is a deficient number, since it is larger than the sum of its proper divisors (34717961899).

110021211212201 is an equidigital number, since it uses as much as digits as its factorization.

110021211212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34717961898.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 110021211212201 its reverse (102212112120011), we get a palindrome (212233323332212).

The spelling of 110021211212201 in words is "one hundred ten trillion, twenty-one billion, two hundred eleven million, two hundred twelve thousand, two hundred one".