2111222130212 has 12 divisors (see below), whose sum is σ = 3978841707036. Its totient is φ = 974410213920.

The previous prime is 2111222130211. The next prime is 2111222130247. The reversal of 2111222130212 is 2120312221112.

It can be written as a sum of positive squares in 2 ways, for example, as 397699241956 + 1713522888256 = 630634^2 + 1309016^2 .

It is not an unprimeable number, because it can be changed into a prime (2111222130211) 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, 20300212739 + ... + 20300212842.

It is an arithmetic number, because the mean of its divisors is an integer number (331570142253).

Almost surely, 2^{2111222130212} is an apocalyptic number.

It is an amenable number.

2111222130212 is a deficient number, since it is larger than the sum of its proper divisors (1867619576824).

2111222130212 is a wasteful number, since it uses less digits than its factorization.

2111222130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40600425598 (or 40600425596 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2111222130212 its reverse (2120312221112), we get a palindrome (4231534351324).

The spelling of 2111222130212 in words is "two trillion, one hundred eleven billion, two hundred twenty-two million, one hundred thirty thousand, two hundred twelve".