1010100203 has 16 divisors (see below), whose sum is σ = 1223506944. Its totient is φ = 814070400.

The previous prime is 1010100199. The next prime is 1010100317. The reversal of 1010100203 is 3020010101.

It is a cyclic number.

It is not a de Polignac number, because 1010100203 - 2² = 1010100199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010100103) 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 in 15 ways as a sum of consecutive naturals, for example, 137678 + ... + 144828.

It is an arithmetic number, because the mean of its divisors is an integer number (76469184).

Almost surely, 2^1010100203 is an apocalyptic number.

1010100203 is a deficient number, since it is larger than the sum of its proper divisors (213406741).

1010100203 is a wasteful number, since it uses less digits than its factorization.

1010100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8362.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1010100203 is about 31782.0736107637. The cubic root of 1010100203 is about 1003.3554626108.

Adding to 1010100203 its reverse (3020010101), we get a palindrome (4030110304).

The spelling of 1010100203 in words is "one billion, ten million, one hundred thousand, two hundred three".