11102120110001 has 2 divisors, whose sum is σ = 11102120110002. Its totient is φ = 11102120110000.

The previous prime is 11102120109947. The next prime is 11102120110009. The reversal of 11102120110001 is 10001102120111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11063606440000 + 38513670001 = 3326200^2 + 196249^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102120110001 - 2¹⁸ = 11102119847857 is a prime.

It is not a weakly prime, because it can be changed into another prime (11102120110009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551060055000 + 5551060055001.

It is an arithmetic number, because the mean of its divisors is an integer number (5551060055001).

Almost surely, 2^{11102120110001} is an apocalyptic number.

It is an amenable number.

11102120110001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102120110001 is an equidigital number, since it uses as much as digits as its factorization.

11102120110001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11102120110001 its reverse (10001102120111), we get a palindrome (21103222230112).

The spelling of 11102120110001 in words is "eleven trillion, one hundred two billion, one hundred twenty million, one hundred ten thousand, one".