212011101211011 has 16 divisors (see below), whose sum is σ = 285104202522624. Its totient is φ = 140130905269824.

The previous prime is 212011101210971. The next prime is 212011101211037. The reversal of 212011101211011 is 110112101110212.

It is not a de Polignac number, because 212011101211011 - 2⁶ = 212011101210947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212011101211711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191729130 + ... + 192831743.

It is an arithmetic number, because the mean of its divisors is an integer number (17819012657664).

Almost surely, 2^{212011101211011} is an apocalyptic number.

212011101211011 is a deficient number, since it is larger than the sum of its proper divisors (73093101311613).

212011101211011 is a wasteful number, since it uses less digits than its factorization.

212011101211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384562450.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 212011101211011 its reverse (110112101110212), we get a palindrome (322123202321223).

The spelling of 212011101211011 in words is "two hundred twelve trillion, eleven billion, one hundred one million, two hundred eleven thousand, eleven".