212111001222011 has 8 divisors (see below), whose sum is σ = 212319701196624. Its totient is φ = 211902303111840.

The previous prime is 212111001221981. The next prime is 212111001222017. The reversal of 212111001222011 is 110222100111212.

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 212111001222011 - 2¹⁴ = 212111001205627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212111001222017) 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, 378048161 + ... + 378608813.

It is an arithmetic number, because the mean of its divisors is an integer number (26539962649578).

Almost surely, 2^{212111001222011} is an apocalyptic number.

212111001222011 is a deficient number, since it is larger than the sum of its proper divisors (208699974613).

212111001222011 is a wasteful number, since it uses less digits than its factorization.

212111001222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932221.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212111001222011 its reverse (110222100111212), we get a palindrome (322333101333223).

The spelling of 212111001222011 in words is "two hundred twelve trillion, one hundred eleven billion, one million, two hundred twenty-two thousand, eleven".