201001221122103 has 24 divisors (see below), whose sum is σ = 303459022583808. Its totient is φ = 132945689540664.

The previous prime is 201001221122099. The next prime is 201001221122131. The reversal of 201001221122103 is 301221122100102.

It is not a de Polignac number, because 201001221122103 - 2² = 201001221122099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001221122183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3256526301 + ... + 3256588022.

It is an arithmetic number, because the mean of its divisors is an integer number (12644125940992).

Almost surely, 2^{201001221122103} is an apocalyptic number.

201001221122103 is a deficient number, since it is larger than the sum of its proper divisors (102457801461705).

201001221122103 is an equidigital number, since it uses as much as digits as its factorization.

201001221122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513114465 (or 6513114453 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 201001221122103 its reverse (301221122100102), we get a palindrome (502222343222205).

The spelling of 201001221122103 in words is "two hundred one trillion, one billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred three".