212100102011 has 8 divisors (see below), whose sum is σ = 243440462304. Its totient is φ = 181019828160.

The previous prime is 212100101981. The next prime is 212100102017. The reversal of 212100102011 is 110201001212.

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 212100102011 - 2³⁰ = 211026360187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212100101983 and 212100102001.

It is not an unprimeable number, because it can be changed into a prime (212100102017) 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, 65019860 + ... + 65023121.

It is an arithmetic number, because the mean of its divisors is an integer number (30430057788).

Almost surely, 2^212100102011 is an apocalyptic number.

212100102011 is a deficient number, since it is larger than the sum of its proper divisors (31340360293).

212100102011 is a wasteful number, since it uses less digits than its factorization.

212100102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130043221.

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

Adding to 212100102011 its reverse (110201001212), we get a palindrome (322301103223).

The spelling of 212100102011 in words is "two hundred twelve billion, one hundred million, one hundred two thousand, eleven".