110021212221121 has 8 divisors (see below), whose sum is σ = 110420418299840. Its totient is φ = 109622020657968.

The previous prime is 110021212221113. The next prime is 110021212221131. The reversal of 110021212221121 is 121122212120011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110021212221121 - 2³ = 110021212221113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110021212221131) 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, 11674540 + ... + 18876898.

It is an arithmetic number, because the mean of its divisors is an integer number (13802552287480).

Almost surely, 2^{110021212221121} is an apocalyptic number.

It is an amenable number.

110021212221121 is a deficient number, since it is larger than the sum of its proper divisors (399206078719).

110021212221121 is an equidigital number, since it uses as much as digits as its factorization.

110021212221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7257783.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 110021212221121 its reverse (121122212120011), we get a palindrome (231143424341132).

The spelling of 110021212221121 in words is "one hundred ten trillion, twenty-one billion, two hundred twelve million, two hundred twenty-one thousand, one hundred twenty-one".