212110021020201 has 16 divisors (see below), whose sum is σ = 292586889009600. Its totient is φ = 136520628281408.

The previous prime is 212110021020199. The next prime is 212110021020239. The reversal of 212110021020201 is 102020120011212.

It is a cyclic number.

It is not a de Polignac number, because 212110021020201 - 2¹ = 212110021020199 is a prime.

It is a super-2 number, since 2×212110021020201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212110021020281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87728691 + ... + 90114056.

It is an arithmetic number, because the mean of its divisors is an integer number (18286680563100).

Almost surely, 2^{212110021020201} is an apocalyptic number.

It is an amenable number.

212110021020201 is a deficient number, since it is larger than the sum of its proper divisors (80476867989399).

212110021020201 is a wasteful number, since it uses less digits than its factorization.

212110021020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177856488.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212110021020201 its reverse (102020120011212), we get a palindrome (314130141031413).

The spelling of 212110021020201 in words is "two hundred twelve trillion, one hundred ten billion, twenty-one million, twenty thousand, two hundred one".