110402121121 has 2 divisors, whose sum is σ = 110402121122. Its totient is φ = 110402121120.

The previous prime is 110402121091. The next prime is 110402121133. The reversal of 110402121121 is 121121204011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67652010000 + 42750111121 = 260100^2 + 206761^2 .

It is an emirp because it is prime and its reverse (121121204011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110402121121 - 2²⁷ = 110267903393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110402121095 and 110402121104.

It is not a weakly prime, because it can be changed into another prime (110402121161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55201060560 + 55201060561.

It is an arithmetic number, because the mean of its divisors is an integer number (55201060561).

Almost surely, 2^110402121121 is an apocalyptic number.

It is an amenable number.

110402121121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110402121121 is an equidigital number, since it uses as much as digits as its factorization.

110402121121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110402121121 its reverse (121121204011), we get a palindrome (231523325132).

The spelling of 110402121121 in words is "one hundred ten billion, four hundred two million, one hundred twenty-one thousand, one hundred twenty-one".