110121012061 has 2 divisors, whose sum is σ = 110121012062. Its totient is φ = 110121012060.

The previous prime is 110121012049. The next prime is 110121012107. The reversal of 110121012061 is 160210121011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110078631961 + 42380100 = 331781^2 + 6510^2 .

It is a cyclic number.

It is not a de Polignac number, because 110121012061 - 2¹⁹ = 110120487773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110121012011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060506030 + 55060506031.

It is an arithmetic number, because the mean of its divisors is an integer number (55060506031).

Almost surely, 2^110121012061 is an apocalyptic number.

It is an amenable number.

110121012061 is a deficient number, since it is larger than the sum of its proper divisors (1).

110121012061 is an equidigital number, since it uses as much as digits as its factorization.

110121012061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 110121012061 its reverse (160210121011), we get a palindrome (270331133072).

The spelling of 110121012061 in words is "one hundred ten billion, one hundred twenty-one million, twelve thousand, sixty-one".