110221202021121 has 8 divisors (see below), whose sum is σ = 163290669660960. Its totient is φ = 73480801347396.

The previous prime is 110221202021107. The next prime is 110221202021141. The reversal of 110221202021121 is 121120202122011.

110221202021121 is a `hidden beast` number, since 1 + 10 + 221 + 202 + 0 + 211 + 21 = 666.

It is not a de Polignac number, because 110221202021121 - 2¹⁸ = 110221201758977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110221202021094 and 110221202021103.

It is not an unprimeable number, because it can be changed into a prime (110221202021141) 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, 2041133370735 + ... + 2041133370788.

It is an arithmetic number, because the mean of its divisors is an integer number (20411333707620).

Almost surely, 2^{110221202021121} is an apocalyptic number.

It is an amenable number.

110221202021121 is a deficient number, since it is larger than the sum of its proper divisors (53069467639839).

110221202021121 is an equidigital number, since it uses as much as digits as its factorization.

110221202021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082266741532 (or 4082266741526 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 110221202021121 its reverse (121120202122011), we get a palindrome (231341404143132).

The spelling of 110221202021121 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred two million, twenty-one thousand, one hundred twenty-one".