102020002103 has 32 divisors (see below), whose sum is σ = 107771368320. Its totient is φ = 96445440000.

The previous prime is 102020002093. The next prime is 102020002157. The reversal of 102020002103 is 301200020201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102020002103 - 2¹⁶ = 102019936567 is a prime.

It is a super-2 number, since 2×102020002103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020002193) 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, 195815483 + ... + 195816003.

It is an arithmetic number, because the mean of its divisors is an integer number (3367855260).

Almost surely, 2^102020002103 is an apocalyptic number.

102020002103 is a deficient number, since it is larger than the sum of its proper divisors (5751366217).

102020002103 is a wasteful number, since it uses less digits than its factorization.

102020002103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 102020002103 its reverse (301200020201), we get a palindrome (403220022304).

The spelling of 102020002103 in words is "one hundred two billion, twenty million, two thousand, one hundred three".