110101002001221 has 32 divisors (see below), whose sum is σ = 183705432883200. Its totient is φ = 56982703654080.

The previous prime is 110101002001201. The next prime is 110101002001223. The reversal of 110101002001221 is 122100200101011.

It is not a de Polignac number, because 110101002001221 - 2⁶ = 110101002001157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110101002001197 and 110101002001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110101002001223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 885862981 + ... + 885987258.

It is an arithmetic number, because the mean of its divisors is an integer number (5740794777600).

Almost surely, 2^{110101002001221} is an apocalyptic number.

110101002001221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110101002001221 is a deficient number, since it is larger than the sum of its proper divisors (73604430881979).

110101002001221 is a wasteful number, since it uses less digits than its factorization.

110101002001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771850529.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 110101002001221 its reverse (122100200101011), we get a palindrome (232201202102232).

The spelling of 110101002001221 in words is "one hundred ten trillion, one hundred one billion, two million, one thousand, two hundred twenty-one".