210121022220983 has 2 divisors, whose sum is σ = 210121022220984. Its totient is φ = 210121022220982.

The previous prime is 210121022220973. The next prime is 210121022221043. The reversal of 210121022220983 is 389022220121012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210121022220983 - 2²⁰ = 210121021172407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210121022220943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105060511110491 + 105060511110492.

It is an arithmetic number, because the mean of its divisors is an integer number (105060511110492).

Almost surely, 2^{210121022220983} is an apocalyptic number.

210121022220983 is a deficient number, since it is larger than the sum of its proper divisors (1).

210121022220983 is an equidigital number, since it uses as much as digits as its factorization.

210121022220983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

Adding to 210121022220983 its reverse (389022220121012), we get a palindrome (599143242341995).

The spelling of 210121022220983 in words is "two hundred ten trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty thousand, nine hundred eighty-three".