212020221103 has 16 divisors (see below), whose sum is σ = 220756723200. Its totient is φ = 203380450560.

The previous prime is 212020221079. The next prime is 212020221157. The reversal of 212020221103 is 301122020212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212020221103 - 2²⁹ = 211483350191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020221173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7365643 + ... + 7394371.

It is an arithmetic number, because the mean of its divisors is an integer number (13797295200).

Almost surely, 2^212020221103 is an apocalyptic number.

212020221103 is a deficient number, since it is larger than the sum of its proper divisors (8736502097).

212020221103 is a wasteful number, since it uses less digits than its factorization.

212020221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30402.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212020221103 its reverse (301122020212), we get a palindrome (513142241315).

The spelling of 212020221103 in words is "two hundred twelve billion, twenty million, two hundred twenty-one thousand, one hundred three".