212100211011 has 16 divisors (see below), whose sum is σ = 305767526400. Its totient is φ = 130003188000.

The previous prime is 212100210941. The next prime is 212100211013. The reversal of 212100211011 is 110112001212.

It is not a de Polignac number, because 212100211011 - 2⁹ = 212100210499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212100211013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10823811 + ... + 10843388.

It is an arithmetic number, because the mean of its divisors is an integer number (19110470400).

Almost surely, 2^212100211011 is an apocalyptic number.

212100211011 is a deficient number, since it is larger than the sum of its proper divisors (93667315389).

212100211011 is a wasteful number, since it uses less digits than its factorization.

212100211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21667466.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212100211011 its reverse (110112001212), we get a palindrome (322212212223).

The spelling of 212100211011 in words is "two hundred twelve billion, one hundred million, two hundred eleven thousand, eleven".