20110211023093 has 2 divisors, whose sum is σ = 20110211023094. Its totient is φ = 20110211023092.

The previous prime is 20110211023079. The next prime is 20110211023247. The reversal of 20110211023093 is 39032011201102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19991835115729 + 118375907364 = 4471223^2 + 344058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110211023093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110211023073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055105511546 + 10055105511547.

It is an arithmetic number, because the mean of its divisors is an integer number (10055105511547).

Almost surely, 2^{20110211023093} is an apocalyptic number.

It is an amenable number.

20110211023093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110211023093 is an equidigital number, since it uses as much as digits as its factorization.

20110211023093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 20110211023093 its reverse (39032011201102), we get a palindrome (59142222224195).

The spelling of 20110211023093 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, twenty-three thousand, ninety-three".