1020212103 has 4 divisors (see below), whose sum is σ = 1360282808. Its totient is φ = 680141400.

The previous prime is 1020212099. The next prime is 1020212107. The reversal of 1020212103 is 3012120201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1020212099) and next prime (1020212107).

It is not a de Polignac number, because 1020212103 - 2² = 1020212099 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020212107) 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, 170035348 + ... + 170035353.

It is an arithmetic number, because the mean of its divisors is an integer number (340070702).

Almost surely, 2^1020212103 is an apocalyptic number.

1020212103 is a deficient number, since it is larger than the sum of its proper divisors (340070705).

1020212103 is an equidigital number, since it uses as much as digits as its factorization.

1020212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340070704.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1020212103 is about 31940.7592740060. The cubic root of 1020212103 is about 1006.6924784814.

Adding to 1020212103 its reverse (3012120201), we get a palindrome (4032332304).

The spelling of 1020212103 in words is "one billion, twenty million, two hundred twelve thousand, one hundred three".