101121320203 has 2 divisors, whose sum is σ = 101121320204. Its totient is φ = 101121320202.

The previous prime is 101121320171. The next prime is 101121320239. The reversal of 101121320203 is 302023121101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101121320203 - 2⁵ = 101121320171 is a prime.

It is a super-2 number, since 2×101121320203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101121350203) 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, 50560660101 + 50560660102.

It is an arithmetic number, because the mean of its divisors is an integer number (50560660102).

Almost surely, 2^101121320203 is an apocalyptic number.

101121320203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101121320203 is an equidigital number, since it uses as much as digits as its factorization.

101121320203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101121320203 its reverse (302023121101), we get a palindrome (403144441304).

The spelling of 101121320203 in words is "one hundred one billion, one hundred twenty-one million, three hundred twenty thousand, two hundred three".