110212121011 has 2 divisors, whose sum is σ = 110212121012. Its totient is φ = 110212121010.

The previous prime is 110212120969. The next prime is 110212121081. The reversal of 110212121011 is 110121212011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110212121011 - 2¹³ = 110212112819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110212120982 and 110212121000.

It is not a weakly prime, because it can be changed into another prime (110212121081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55106060505 + 55106060506.

It is an arithmetic number, because the mean of its divisors is an integer number (55106060506).

Almost surely, 2^110212121011 is an apocalyptic number.

110212121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

110212121011 is an equidigital number, since it uses as much as digits as its factorization.

110212121011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110212121011 its reverse (110121212011), we get a palindrome (220333333022).

The spelling of 110212121011 in words is "one hundred ten billion, two hundred twelve million, one hundred twenty-one thousand, eleven".