212112202011 has 4 divisors (see below), whose sum is σ = 282816269352. Its totient is φ = 141408134672.

The previous prime is 212112201991. The next prime is 212112202031. The reversal of 212112202011 is 110202211212.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (212112201991) and next prime (212112202031).

It is a cyclic number.

It is not a de Polignac number, because 212112202011 - 2¹⁰ = 212112200987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212112202031) 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, 35352033666 + ... + 35352033671.

It is an arithmetic number, because the mean of its divisors is an integer number (70704067338).

Almost surely, 2^212112202011 is an apocalyptic number.

212112202011 is a deficient number, since it is larger than the sum of its proper divisors (70704067341).

212112202011 is an equidigital number, since it uses as much as digits as its factorization.

212112202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70704067340.

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

Adding to 212112202011 its reverse (110202211212), we get a palindrome (322314413223).

It can be divided in two parts, 21211 and 2202011, that added together give a palindrome (2223222).

The spelling of 212112202011 in words is "two hundred twelve billion, one hundred twelve million, two hundred two thousand, eleven".