110202020022121 has 4 divisors (see below), whose sum is σ = 112889874169044. Its totient is φ = 107514165875200.

The previous prime is 110202020022103. The next prime is 110202020022181. The reversal of 110202020022121 is 121220020202011.

It is a happy number.

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 22330350250000 + 87871669772121 = 4725500^2 + 9373989^2 .

It is a cyclic number.

It is not a de Polignac number, because 110202020022121 - 2⁵ = 110202020022089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110202020022095 and 110202020022104.

It is not an unprimeable number, because it can be changed into a prime (110202020022181) 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, 1343927073400 + ... + 1343927073481.

It is an arithmetic number, because the mean of its divisors is an integer number (28222468542261).

Almost surely, 2^{110202020022121} is an apocalyptic number.

It is an amenable number.

110202020022121 is a deficient number, since it is larger than the sum of its proper divisors (2687854146923).

110202020022121 is an equidigital number, since it uses as much as digits as its factorization.

110202020022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687854146922.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 110202020022121 its reverse (121220020202011), we get a palindrome (231422040224132).

The spelling of 110202020022121 in words is "one hundred ten trillion, two hundred two billion, twenty million, twenty-two thousand, one hundred twenty-one".