2221211202103 has 4 divisors (see below), whose sum is σ = 2223324629608. Its totient is φ = 2219097774600.

The previous prime is 2221211202071. The next prime is 2221211202113. The reversal of 2221211202103 is 3012021121222.

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 2221211202103 - 2⁵ = 2221211202071 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 (2221211202113) 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, 1056712176 + ... + 1056714277.

It is an arithmetic number, because the mean of its divisors is an integer number (555831157402).

Almost surely, 2^{2221211202103} is an apocalyptic number.

2221211202103 is a deficient number, since it is larger than the sum of its proper divisors (2113427505).

2221211202103 is a wasteful number, since it uses less digits than its factorization.

2221211202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113427504.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2221211202103 its reverse (3012021121222), we get a palindrome (5233232323325).

The spelling of 2221211202103 in words is "two trillion, two hundred twenty-one billion, two hundred eleven million, two hundred two thousand, one hundred three".