201001021103 has 2 divisors, whose sum is σ = 201001021104. Its totient is φ = 201001021102.

The previous prime is 201001021057. The next prime is 201001021139. The reversal of 201001021103 is 301120100102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201001021103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201001021153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500510551 + 100500510552.

It is an arithmetic number, because the mean of its divisors is an integer number (100500510552).

Almost surely, 2^201001021103 is an apocalyptic number.

201001021103 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001021103 is an equidigital number, since it uses as much as digits as its factorization.

201001021103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 201001021103 its reverse (301120100102), we get a palindrome (502121121205).

The spelling of 201001021103 in words is "two hundred one billion, one million, twenty-one thousand, one hundred three".