110021212121121 has 48 divisors (see below), whose sum is σ = 181887348883968. Its totient is φ = 62777587996800.

The previous prime is 110021212121113. The next prime is 110021212121129. The reversal of 110021212121121 is 121121212120011.

It is a happy number.

110021212121121 is a `hidden beast` number, since 1 + 100 + 212 + 121 + 211 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (110021212121113) and next prime (110021212121129).

It is not a de Polignac number, because 110021212121121 - 2³ = 110021212121113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110021212121094 and 110021212121103.

It is not an unprimeable number, because it can be changed into a prime (110021212121129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121346056 + ... + 122249366.

It is an arithmetic number, because the mean of its divisors is an integer number (3789319768416).

Almost surely, 2^{110021212121121} is an apocalyptic number.

It is an amenable number.

110021212121121 is a deficient number, since it is larger than the sum of its proper divisors (71866136762847).

110021212121121 is a wasteful number, since it uses less digits than its factorization.

110021212121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906142 (or 906139 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 110021212121121 its reverse (121121212120011), we get a palindrome (231142424241132).

The spelling of 110021212121121 in words is "one hundred ten trillion, twenty-one billion, two hundred twelve million, one hundred twenty-one thousand, one hundred twenty-one".