20212202002103 has 4 divisors (see below), whose sum is σ = 20212217186040. Its totient is φ = 20212186818168.

The previous prime is 20212202002081. The next prime is 20212202002121. The reversal of 20212202002103 is 30120020221202.

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

It is a cyclic number.

It is not a de Polignac number, because 20212202002103 - 2⁸ = 20212202001847 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 (20212202002703) 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, 5380508 + ... + 8329121.

It is an arithmetic number, because the mean of its divisors is an integer number (5053054296510).

Almost surely, 2^{20212202002103} is an apocalyptic number.

20212202002103 is a deficient number, since it is larger than the sum of its proper divisors (15183937).

20212202002103 is a wasteful number, since it uses less digits than its factorization.

20212202002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15183936.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20212202002103 its reverse (30120020221202), we get a palindrome (50332222223305).

The spelling of 20212202002103 in words is "twenty trillion, two hundred twelve billion, two hundred two million, two thousand, one hundred three".