101121031003 has 2 divisors, whose sum is σ = 101121031004. Its totient is φ = 101121031002.

The previous prime is 101121031001. The next prime is 101121031021. The reversal of 101121031003 is 300130121101.

It is a weak prime.

It is an emirp because it is prime and its reverse (300130121101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101121031003 - 2¹ = 101121031001 is a prime.

It is a super-2 number, since 2×101121031003² (a number of 23 digits) contains 22 as substring.

Together with 101121031001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (101121031001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560515501 + 50560515502.

It is an arithmetic number, because the mean of its divisors is an integer number (50560515502).

Almost surely, 2^101121031003 is an apocalyptic number.

101121031003 is a deficient number, since it is larger than the sum of its proper divisors (1).

101121031003 is an equidigital number, since it uses as much as digits as its factorization.

101121031003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 101121031003 its reverse (300130121101), we get a palindrome (401251152104).

The spelling of 101121031003 in words is "one hundred one billion, one hundred twenty-one million, thirty-one thousand, three".