110212102202121 has 18 divisors (see below), whose sum is σ = 166417727949018. Its totient is φ = 70280181111360.

The previous prime is 110212102202107. The next prime is 110212102202129. The reversal of 110212102202121 is 121202201212011.

110212102202121 is a `hidden beast` number, since 1 + 1 + 0 + 21 + 210 + 220 + 212 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 100466242191225 + 9745860010896 = 10023285^2 + 3121836^2 .

It is not a de Polignac number, because 110212102202121 - 2¹⁴ = 110212102185737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110212102202094 and 110212102202103.

It is not an unprimeable number, because it can be changed into a prime (110212102202129) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11574465120 + ... + 11574474641.

It is an arithmetic number, because the mean of its divisors is an integer number (9245429330501).

Almost surely, 2^{110212102202121} is an apocalyptic number.

It is an amenable number.

110212102202121 is a deficient number, since it is larger than the sum of its proper divisors (56205625746897).

110212102202121 is a wasteful number, since it uses less digits than its factorization.

110212102202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23148939813 (or 23148939787 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 110212102202121 its reverse (121202201212011), we get a palindrome (231414303414132).

The spelling of 110212102202121 in words is "one hundred ten trillion, two hundred twelve billion, one hundred two million, two hundred two thousand, one hundred twenty-one".