10211221101203 has 4 divisors (see below), whose sum is σ = 10748653790760. Its totient is φ = 9673788411648.

The previous prime is 10211221101083. The next prime is 10211221101223. The reversal of 10211221101203 is 30210112211201.

It is a happy number.

10211221101203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10211221101203 - 2⁸ = 10211221100947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211221101223) 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, 268716344750 + ... + 268716344787.

It is an arithmetic number, because the mean of its divisors is an integer number (2687163447690).

Almost surely, 2^{10211221101203} is an apocalyptic number.

10211221101203 is a deficient number, since it is larger than the sum of its proper divisors (537432689557).

10211221101203 is an equidigital number, since it uses as much as digits as its factorization.

10211221101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537432689556.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10211221101203 its reverse (30210112211201), we get a palindrome (40421333312404).

The spelling of 10211221101203 in words is "ten trillion, two hundred eleven billion, two hundred twenty-one million, one hundred one thousand, two hundred three".