212030111030201 has 4 divisors (see below), whose sum is σ = 212030140827252. Its totient is φ = 212030081233152.

The previous prime is 212030111030147. The next prime is 212030111030207. The reversal of 212030111030201 is 102030111030212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 82881887394601 + 129148223635600 = 9103949^2 + 11364340^2 .

It is a cyclic number.

It is not a de Polignac number, because 212030111030201 - 2²⁶ = 212030043921337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212030111030201.

It is not an unprimeable number, because it can be changed into a prime (212030111030207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2721065 + ... + 20771721.

It is an arithmetic number, because the mean of its divisors is an integer number (53007535206813).

Almost surely, 2^{212030111030201} is an apocalyptic number.

It is an amenable number.

212030111030201 is a deficient number, since it is larger than the sum of its proper divisors (29797051).

212030111030201 is a wasteful number, since it uses less digits than its factorization.

212030111030201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29797050.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212030111030201 its reverse (102030111030212), we get a palindrome (314060222060413).

The spelling of 212030111030201 in words is "two hundred twelve trillion, thirty billion, one hundred eleven million, thirty thousand, two hundred one".