210100021103 has 32 divisors (see below), whose sum is σ = 244099215360. Its totient is φ = 177123179520.

The previous prime is 210100021091. The next prime is 210100021133. The reversal of 210100021103 is 301120001012.

It is not a de Polignac number, because 210100021103 - 2¹⁶ = 210099955567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100021133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147025193 + ... + 147026621.

It is an arithmetic number, because the mean of its divisors is an integer number (7628100480).

Almost surely, 2^210100021103 is an apocalyptic number.

210100021103 is a deficient number, since it is larger than the sum of its proper divisors (33999194257).

210100021103 is a wasteful number, since it uses less digits than its factorization.

210100021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 210100021103 its reverse (301120001012), we get a palindrome (511220022115).

The spelling of 210100021103 in words is "two hundred ten billion, one hundred million, twenty-one thousand, one hundred three".