110212211212221 has 16 divisors (see below), whose sum is σ = 147697168608000. Its totient is φ = 73101038810688.

The previous prime is 110212211212097. The next prime is 110212211212223. The reversal of 110212211212221 is 122212112212011.

It is not a de Polignac number, because 110212211212221 - 2¹⁵ = 110212211179453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110212211212223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55685980 + ... + 57631178.

It is an arithmetic number, because the mean of its divisors is an integer number (9231073038000).

Almost surely, 2^{110212211212221} is an apocalyptic number.

It is an amenable number.

110212211212221 is a deficient number, since it is larger than the sum of its proper divisors (37484957395779).

110212211212221 is a wasteful number, since it uses less digits than its factorization.

110212211212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041268.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 110212211212221 its reverse (122212112212011), we get a palindrome (232424323424232).

The spelling of 110212211212221 in words is "one hundred ten trillion, two hundred twelve billion, two hundred eleven million, two hundred twelve thousand, two hundred twenty-one".