100921091003 has 2 divisors, whose sum is σ = 100921091004. Its totient is φ = 100921091002.

The previous prime is 100921090979. The next prime is 100921091017. The reversal of 100921091003 is 300190129001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100921091003 - 2¹⁴ = 100921074619 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100921091093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50460545501 + 50460545502.

It is an arithmetic number, because the mean of its divisors is an integer number (50460545502).

Almost surely, 2^100921091003 is an apocalyptic number.

100921091003 is a deficient number, since it is larger than the sum of its proper divisors (1).

100921091003 is an equidigital number, since it uses as much as digits as its factorization.

100921091003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The spelling of 100921091003 in words is "one hundred billion, nine hundred twenty-one million, ninety-one thousand, three".