20102111122033 has 2 divisors, whose sum is σ = 20102111122034. Its totient is φ = 20102111122032.

The previous prime is 20102111122007. The next prime is 20102111122057. The reversal of 20102111122033 is 33022111120102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10266718205584 + 9835392916449 = 3204172^2 + 3136143^2 .

It is a cyclic number.

It is not a de Polignac number, because 20102111122033 - 2¹³ = 20102111113841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20102111122033.

It is not a weakly prime, because it can be changed into another prime (20102111122133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051055561016 + 10051055561017.

It is an arithmetic number, because the mean of its divisors is an integer number (10051055561017).

Almost surely, 2^{20102111122033} is an apocalyptic number.

It is an amenable number.

20102111122033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102111122033 is an equidigital number, since it uses as much as digits as its factorization.

20102111122033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20102111122033 its reverse (33022111120102), we get a palindrome (53124222242135).

The spelling of 20102111122033 in words is "twenty trillion, one hundred two billion, one hundred eleven million, one hundred twenty-two thousand, thirty-three".