20212102103 has 8 divisors (see below), whose sum is σ = 20687910048. Its totient is φ = 19741670784.

The previous prime is 20212102063. The next prime is 20212102153. The reversal of 20212102103 is 30120121202.

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 20212102103 - 2¹⁰ = 20212101079 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 (20212102153) 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, 1336550 + ... + 1351587.

It is an arithmetic number, because the mean of its divisors is an integer number (2585988756).

Almost surely, 2^20212102103 is an apocalyptic number.

20212102103 is a deficient number, since it is larger than the sum of its proper divisors (475807945).

20212102103 is a wasteful number, since it uses less digits than its factorization.

20212102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688313.

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

Adding to 20212102103 its reverse (30120121202), we get a palindrome (50332223305).

The spelling of 20212102103 in words is "twenty billion, two hundred twelve million, one hundred two thousand, one hundred three".