20010121120183 has 2 divisors, whose sum is σ = 20010121120184. Its totient is φ = 20010121120182.

The previous prime is 20010121120147. The next prime is 20010121120259. The reversal of 20010121120183 is 38102112101002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010121120183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010121120103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005060560091 + 10005060560092.

It is an arithmetic number, because the mean of its divisors is an integer number (10005060560092).

Almost surely, 2^{20010121120183} is an apocalyptic number.

20010121120183 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010121120183 is an equidigital number, since it uses as much as digits as its factorization.

20010121120183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 20010121120183 its reverse (38102112101002), we get a palindrome (58112233221185).

The spelling of 20010121120183 in words is "twenty trillion, ten billion, one hundred twenty-one million, one hundred twenty thousand, one hundred eighty-three".