212210110101121 has 16 divisors (see below), whose sum is σ = 234083029075200. Its totient is φ = 190772095024000.

The previous prime is 212210110101109. The next prime is 212210110101131. The reversal of 212210110101121 is 121101011012212.

It is not a de Polignac number, because 212210110101121 - 2²¹ = 212210108003969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212210110101095 and 212210110101104.

It is not an unprimeable number, because it can be changed into a prime (212210110101131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117153241 + ... + 118950838.

It is an arithmetic number, because the mean of its divisors is an integer number (14630189317200).

Almost surely, 2^{212210110101121} is an apocalyptic number.

It is an amenable number.

212210110101121 is a deficient number, since it is larger than the sum of its proper divisors (21872918974079).

212210110101121 is a wasteful number, since it uses less digits than its factorization.

212210110101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236105000.

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

Adding to 212210110101121 its reverse (121101011012212), we get a palindrome (333311121113333).

The spelling of 212210110101121 in words is "two hundred twelve trillion, two hundred ten billion, one hundred ten million, one hundred one thousand, one hundred twenty-one".