110202012211121 has 2 divisors, whose sum is σ = 110202012211122. Its totient is φ = 110202012211120.

The previous prime is 110202012211043. The next prime is 110202012211171. The reversal of 110202012211121 is 121112210202011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109525853011600 + 676159199521 = 10465460^2 + 822289^2 .

It is a cyclic number.

It is not a de Polignac number, because 110202012211121 - 2³⁸ = 109927134304177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110202012211121.

It is not a weakly prime, because it can be changed into another prime (110202012211171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55101006105560 + 55101006105561.

It is an arithmetic number, because the mean of its divisors is an integer number (55101006105561).

Almost surely, 2^{110202012211121} is an apocalyptic number.

It is an amenable number.

110202012211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110202012211121 is an equidigital number, since it uses as much as digits as its factorization.

110202012211121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 110202012211121 its reverse (121112210202011), we get a palindrome (231314222413132).

The spelling of 110202012211121 in words is "one hundred ten trillion, two hundred two billion, twelve million, two hundred eleven thousand, one hundred twenty-one".