110200211221221 has 24 divisors (see below), whose sum is σ = 173650790083680. Its totient is φ = 66787248184800.

The previous prime is 110200211221147. The next prime is 110200211221249. The reversal of 110200211221221 is 122122112002011.

110200211221221 is a `hidden beast` number, since 1 + 1 + 0 + 200 + 21 + 1 + 221 + 221 = 666.

It is not a de Polignac number, because 110200211221221 - 2¹⁵ = 110200211188453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110200211221194 and 110200211221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110200211201221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2499970 + ... + 15054908.

It is an arithmetic number, because the mean of its divisors is an integer number (7235449586820).

Almost surely, 2^{110200211221221} is an apocalyptic number.

110200211221221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110200211221221 is a deficient number, since it is larger than the sum of its proper divisors (63450578862459).

110200211221221 is a wasteful number, since it uses less digits than its factorization.

110200211221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12643617 (or 12643614 counting only the distinct ones).

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

Adding to 110200211221221 its reverse (122122112002011), we get a palindrome (232322323223232).

The spelling of 110200211221221 in words is "one hundred ten trillion, two hundred billion, two hundred eleven million, two hundred twenty-one thousand, two hundred twenty-one".