212102010011 has 4 divisors (see below), whose sum is σ = 212147914224. Its totient is φ = 212056105800.

The previous prime is 212102010007. The next prime is 212102010089. The reversal of 212102010011 is 110010201212.

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

It is a cyclic number.

It is not a de Polignac number, because 212102010011 - 2² = 212102010007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212102009974 and 212102010001.

It is not an unprimeable number, because it can be changed into a prime (212102010511) 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, 22945175 + ... + 22954416.

It is an arithmetic number, because the mean of its divisors is an integer number (53036978556).

Almost surely, 2^212102010011 is an apocalyptic number.

212102010011 is a deficient number, since it is larger than the sum of its proper divisors (45904213).

212102010011 is an equidigital number, since it uses as much as digits as its factorization.

212102010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45904212.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212102010011 its reverse (110010201212), we get a palindrome (322112211223).

The spelling of 212102010011 in words is "two hundred twelve billion, one hundred two million, ten thousand, eleven".