10100021103 has 6 divisors (see below), whose sum is σ = 14588919384. Its totient is φ = 6733347396.

The previous prime is 10100021089. The next prime is 10100021111. The reversal of 10100021103 is 30112000101.

It is not a de Polignac number, because 10100021103 - 2⁹ = 10100020591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1122224567 = 10100021103 / (1 + 0 + 1 + 0 + 0 + 0 + 2 + 1 + 1 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100021803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561112275 + ... + 561112292.

It is an arithmetic number, because the mean of its divisors is an integer number (2431486564).

Almost surely, 2^10100021103 is an apocalyptic number.

10100021103 is a deficient number, since it is larger than the sum of its proper divisors (4488898281).

10100021103 is a wasteful number, since it uses less digits than its factorization.

10100021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122224573 (or 1122224570 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10100021103 its reverse (30112000101), we get a palindrome (40212021204).

The spelling of 10100021103 in words is "ten billion, one hundred million, twenty-one thousand, one hundred three".