102021021203 has 8 divisors (see below), whose sum is σ = 103650425280. Its totient is φ = 100394755560.

The previous prime is 102021021143. The next prime is 102021021217. The reversal of 102021021203 is 302120120201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102021021203 - 2²⁸ = 101752585747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102021021233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719033 + ... + 849146.

It is an arithmetic number, because the mean of its divisors is an integer number (12956303160).

Almost surely, 2^102021021203 is an apocalyptic number.

102021021203 is a deficient number, since it is larger than the sum of its proper divisors (1629404077).

102021021203 is an equidigital number, since it uses as much as digits as its factorization.

102021021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569217.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102021021203 its reverse (302120120201), we get a palindrome (404141141404).

The spelling of 102021021203 in words is "one hundred two billion, twenty-one million, twenty-one thousand, two hundred three".