2221000010203 has 4 divisors (see below), whose sum is σ = 2391846164848. Its totient is φ = 2050153855560.

The previous prime is 2221000010179. The next prime is 2221000010231. The reversal of 2221000010203 is 3020100001222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221000010203 is a prime.

It is a super-2 number, since 2×2221000010203² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 170846154631 = 2221000010203 / (2 + 2 + 2 + 1 + 0 + 0 + 0 + 0 + 1 + 0 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221000011203) 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, 85423077303 + ... + 85423077328.

It is an arithmetic number, because the mean of its divisors is an integer number (597961541212).

Almost surely, 2^{2221000010203} is an apocalyptic number.

2221000010203 is a deficient number, since it is larger than the sum of its proper divisors (170846154645).

2221000010203 is a wasteful number, since it uses less digits than its factorization.

2221000010203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170846154644.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2221000010203 its reverse (3020100001222), we get a palindrome (5241100011425).

The spelling of 2221000010203 in words is "two trillion, two hundred twenty-one billion, ten thousand, two hundred three".