212111112010 has 16 divisors (see below), whose sum is σ = 436342859136. Its totient is φ = 72723809808.

The previous prime is 212111112007. The next prime is 212111112013. The reversal of 212111112010 is 10211111212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212111112007) and next prime (212111112013).

It is a super-2 number, since 2×212111112010² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212111112013) 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, 1515079302 + ... + 1515079441.

It is an arithmetic number, because the mean of its divisors is an integer number (27271428696).

Almost surely, 2^212111112010 is an apocalyptic number.

212111112010 is an abundant number, since it is smaller than the sum of its proper divisors (224231747126).

212111112010 is a wasteful number, since it uses less digits than its factorization.

212111112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030158757.

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

Adding to 212111112010 its reverse (10211111212), we get a palindrome (222322223222).

The spelling of 212111112010 in words is "two hundred twelve billion, one hundred eleven million, one hundred twelve thousand, ten".