212022021103 has 4 divisors (see below), whose sum is σ = 212030390880. Its totient is φ = 212013651328.

The previous prime is 212022021073. The next prime is 212022021109. The reversal of 212022021103 is 301120220212.

It is a happy number.

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 212022021103 - 2³⁷ = 74583067631 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 (212022021109) 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, 4146775 + ... + 4197592.

It is an arithmetic number, because the mean of its divisors is an integer number (53007597720).

Almost surely, 2^212022021103 is an apocalyptic number.

212022021103 is a deficient number, since it is larger than the sum of its proper divisors (8369777).

212022021103 is an equidigital number, since it uses as much as digits as its factorization.

212022021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8369776.

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

Adding to 212022021103 its reverse (301120220212), we get a palindrome (513142241315).

The spelling of 212022021103 in words is "two hundred twelve billion, twenty-two million, twenty-one thousand, one hundred three".