10102021103 has 4 divisors (see below), whose sum is σ = 10124126640. Its totient is φ = 10079915568.

The previous prime is 10102021091. The next prime is 10102021117. The reversal of 10102021103 is 30112020101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30112020101 = 16141 ⋅1865561.

It is a cyclic number.

It is not a de Polignac number, because 10102021103 - 2⁴ = 10102021087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102024103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11052083 + ... + 11052996.

It is an arithmetic number, because the mean of its divisors is an integer number (2531031660).

Almost surely, 2^10102021103 is an apocalyptic number.

10102021103 is a deficient number, since it is larger than the sum of its proper divisors (22105537).

10102021103 is an equidigital number, since it uses as much as digits as its factorization.

10102021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22105536.

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

Adding to 10102021103 its reverse (30112020101), we get a palindrome (40214041204).

The spelling of 10102021103 in words is "ten billion, one hundred two million, twenty-one thousand, one hundred three".