110212021212121 has 8 divisors (see below), whose sum is σ = 112779090271584. Its totient is φ = 107645133916320.

The previous prime is 110212021212091. The next prime is 110212021212143. The reversal of 110212021212121 is 121212120212011.

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 110212021212121 - 2⁷ = 110212021211993 is a prime.

It is a super-2 number, since 2×110212021212121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110212001212121) 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, 44213716 + ... + 46639861.

It is an arithmetic number, because the mean of its divisors is an integer number (14097386283948).

Almost surely, 2^{110212021212121} is an apocalyptic number.

It is an amenable number.

110212021212121 is a deficient number, since it is larger than the sum of its proper divisors (2567069059463).

110212021212121 is an equidigital number, since it uses as much as digits as its factorization.

110212021212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90881831.

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

Adding to 110212021212121 its reverse (121212120212011), we get a palindrome (231424141424132).

The spelling of 110212021212121 in words is "one hundred ten trillion, two hundred twelve billion, twenty-one million, two hundred twelve thousand, one hundred twenty-one".