202101222112123 has 2 divisors, whose sum is σ = 202101222112124. Its totient is φ = 202101222112122.

The previous prime is 202101222112099. The next prime is 202101222112253. The reversal of 202101222112123 is 321211222101202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202101222112123 - 2²¹ = 202101220014971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202101222112094 and 202101222112103.

It is not a weakly prime, because it can be changed into another prime (202101222112723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050611056061 + 101050611056062.

It is an arithmetic number, because the mean of its divisors is an integer number (101050611056062).

Almost surely, 2^{202101222112123} is an apocalyptic number.

202101222112123 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101222112123 is an equidigital number, since it uses as much as digits as its factorization.

202101222112123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 202101222112123 its reverse (321211222101202), we get a palindrome (523312444213325).

The spelling of 202101222112123 in words is "two hundred two trillion, one hundred one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twenty-three".