20213101003 has 2 divisors, whose sum is σ = 20213101004. Its totient is φ = 20213101002.

The previous prime is 20213100991. The next prime is 20213101009. The reversal of 20213101003 is 30010131202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20213101003 - 2¹³ = 20213092811 is a prime.

It is not a weakly prime, because it can be changed into another prime (20213101009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106550501 + 10106550502.

It is an arithmetic number, because the mean of its divisors is an integer number (10106550502).

Almost surely, 2^20213101003 is an apocalyptic number.

20213101003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20213101003 is an equidigital number, since it uses as much as digits as its factorization.

20213101003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20213101003 its reverse (30010131202), we get a palindrome (50223232205).

The spelling of 20213101003 in words is "twenty billion, two hundred thirteen million, one hundred one thousand, three".