212111010001011 has 32 divisors (see below), whose sum is σ = 311582280741120. Its totient is φ = 127278324432000.

The previous prime is 212111010001003. The next prime is 212111010001021. The reversal of 212111010001011 is 110100010111212.

It is not a de Polignac number, because 212111010001011 - 2³ = 212111010001003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212111010001021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 816551796 + ... + 816811518.

It is an arithmetic number, because the mean of its divisors is an integer number (9736946273160).

Almost surely, 2^{212111010001011} is an apocalyptic number.

212111010001011 is a deficient number, since it is larger than the sum of its proper divisors (99471270740109).

212111010001011 is a wasteful number, since it uses less digits than its factorization.

212111010001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504867.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 212111010001011 its reverse (110100010111212), we get a palindrome (322211020112223).

It can be divided in two parts, 2121110 and 10001011, that added together give a palindrome (12122121).

The spelling of 212111010001011 in words is "two hundred twelve trillion, one hundred eleven billion, ten million, one thousand, eleven".