212210020110121 has 128 divisors (see below), whose sum is σ = 249034206896640. Its totient is φ = 179006091264000.

The previous prime is 212210020110079. The next prime is 212210020110139. The reversal of 212210020110121 is 121011020012212.

It is not a de Polignac number, because 212210020110121 - 2⁷ = 212210020109993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212210020110095 and 212210020110104.

It is not an unprimeable number, because it can be changed into a prime (212210020120121) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 194153723251 + ... + 194153724343.

It is an arithmetic number, because the mean of its divisors is an integer number (1945579741380).

Almost surely, 2^{212210020110121} is an apocalyptic number.

It is an amenable number.

212210020110121 is a deficient number, since it is larger than the sum of its proper divisors (36824186786519).

212210020110121 is a wasteful number, since it uses less digits than its factorization.

212210020110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027.

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

Adding to 212210020110121 its reverse (121011020012212), we get a palindrome (333221040122333).

The spelling of 212210020110121 in words is "two hundred twelve trillion, two hundred ten billion, twenty million, one hundred ten thousand, one hundred twenty-one".