212111110201 has 8 divisors (see below), whose sum is σ = 214180091840. Its totient is φ = 210042314352.

The previous prime is 212111110199. The next prime is 212111110291. The reversal of 212111110201 is 102011111212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212111110201 - 2¹ = 212111110199 is a prime.

It is a super-2 number, since 2×212111110201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212111110291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3756091 + ... + 3812143.

It is an arithmetic number, because the mean of its divisors is an integer number (26772511480).

Almost surely, 2^212111110201 is an apocalyptic number.

It is an amenable number.

212111110201 is a deficient number, since it is larger than the sum of its proper divisors (2068981639).

212111110201 is a wasteful number, since it uses less digits than its factorization.

212111110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92895.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212111110201 its reverse (102011111212), we get a palindrome (314122221413).

It can be divided in two parts, 2121111 and 10201, that added together give a palindrome (2131312).

The spelling of 212111110201 in words is "two hundred twelve billion, one hundred eleven million, one hundred ten thousand, two hundred one".