101123021003 has 2 divisors, whose sum is σ = 101123021004. Its totient is φ = 101123021002.

The previous prime is 101123020963. The next prime is 101123021057. The reversal of 101123021003 is 300120321101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101123021003 - 2¹⁶ = 101122955467 is a prime.

It is not a weakly prime, because it can be changed into another prime (101123021063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50561510501 + 50561510502.

It is an arithmetic number, because the mean of its divisors is an integer number (50561510502).

Almost surely, 2^101123021003 is an apocalyptic number.

101123021003 is a deficient number, since it is larger than the sum of its proper divisors (1).

101123021003 is an equidigital number, since it uses as much as digits as its factorization.

101123021003 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 14.

Adding to 101123021003 its reverse (300120321101), we get a palindrome (401243342104).

The spelling of 101123021003 in words is "one hundred one billion, one hundred twenty-three million, twenty-one thousand, three".