110100202212121 has 32 divisors (see below), whose sum is σ = 121708552734720. Its totient is φ = 98761489128000.

The previous prime is 110100202212113. The next prime is 110100202212137. The reversal of 110100202212121 is 121212202001011.

It is a cyclic number.

It is not a de Polignac number, because 110100202212121 - 2³ = 110100202212113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110100202212095 and 110100202212104.

It is not an unprimeable number, because it can be changed into a prime (110100202212821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2469755010 + ... + 2469799588.

It is an arithmetic number, because the mean of its divisors is an integer number (3803392272960).

Almost surely, 2^{110100202212121} is an apocalyptic number.

110100202212121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110100202212121 is a deficient number, since it is larger than the sum of its proper divisors (11608350522599).

110100202212121 is a wasteful number, since it uses less digits than its factorization.

110100202212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47997.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110100202212121 its reverse (121212202001011), we get a palindrome (231312404213132).

The spelling of 110100202212121 in words is "one hundred ten trillion, one hundred billion, two hundred two million, two hundred twelve thousand, one hundred twenty-one".