10212221102203 has 4 divisors (see below), whose sum is σ = 10212238256760. Its totient is φ = 10212203947648.

The previous prime is 10212221102183. The next prime is 10212221102233. The reversal of 10212221102203 is 30220112221201.

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-10212221102203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212221102233) 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, 7650973 + ... + 8886046.

It is an arithmetic number, because the mean of its divisors is an integer number (2553059564190).

Almost surely, 2^{10212221102203} is an apocalyptic number.

10212221102203 is a deficient number, since it is larger than the sum of its proper divisors (17154557).

10212221102203 is an equidigital number, since it uses as much as digits as its factorization.

10212221102203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17154556.

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

Adding to 10212221102203 its reverse (30220112221201), we get a palindrome (40432333323404).

The spelling of 10212221102203 in words is "ten trillion, two hundred twelve billion, two hundred twenty-one million, one hundred two thousand, two hundred three".