20212213103 has 4 divisors (see below), whose sum is σ = 20212554648. Its totient is φ = 20211871560.

The previous prime is 20212213067. The next prime is 20212213139. The reversal of 20212213103 is 30131221202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30131221202 = 2 ⋅15065610601.

It is an interprime number because it is at equal distance from previous prime (20212213067) and next prime (20212213139).

It is a cyclic number.

It is not a de Polignac number, because 20212213103 - 2⁶ = 20212213039 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 (20212213163) 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, 56528 + ... + 208853.

It is an arithmetic number, because the mean of its divisors is an integer number (5053138662).

Almost surely, 2^20212213103 is an apocalyptic number.

20212213103 is a deficient number, since it is larger than the sum of its proper divisors (341545).

20212213103 is an equidigital number, since it uses as much as digits as its factorization.

20212213103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341544.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20212213103 its reverse (30131221202), we get a palindrome (50343434305).

The spelling of 20212213103 in words is "twenty billion, two hundred twelve million, two hundred thirteen thousand, one hundred three".