20210122112093 has 2 divisors, whose sum is σ = 20210122112094. Its totient is φ = 20210122112092.

The previous prime is 20210122112069. The next prime is 20210122112153. The reversal of 20210122112093 is 39021122101202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15132932471449 + 5077189640644 = 3890107^2 + 2253262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20210122112093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20210122112053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105061056046 + 10105061056047.

It is an arithmetic number, because the mean of its divisors is an integer number (10105061056047).

Almost surely, 2^{20210122112093} is an apocalyptic number.

It is an amenable number.

20210122112093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210122112093 is an equidigital number, since it uses as much as digits as its factorization.

20210122112093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 20210122112093 its reverse (39021122101202), we get a palindrome (59231244213295).

The spelling of 20210122112093 in words is "twenty trillion, two hundred ten billion, one hundred twenty-two million, one hundred twelve thousand, ninety-three".