212102122102011 has 12 divisors (see below), whose sum is σ = 309403095608880. Its totient is φ = 140001400726800.

The previous prime is 212102122101983. The next prime is 212102122102037. The reversal of 212102122102011 is 110201221201212.

212102122102011 is a `hidden beast` number, since 2 + 1 + 210 + 212 + 210 + 20 + 11 = 666.

It is not a de Polignac number, because 212102122102011 - 2¹⁰ = 212102122100987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212102122102081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116667833031 + ... + 116667834848.

It is an arithmetic number, because the mean of its divisors is an integer number (25783591300740).

Almost surely, 2^{212102122102011} is an apocalyptic number.

212102122102011 is a deficient number, since it is larger than the sum of its proper divisors (97300973506869).

212102122102011 is a wasteful number, since it uses less digits than its factorization.

212102122102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233335667986 (or 233335667983 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212102122102011 its reverse (110201221201212), we get a palindrome (322303343303223).

The spelling of 212102122102011 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty-two million, one hundred two thousand, eleven".