202111010122103 has 16 divisors (see below), whose sum is σ = 214208488007136. Its totient is φ = 190036721034240.

The previous prime is 202111010122097. The next prime is 202111010122121. The reversal of 202111010122103 is 301221010111202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 202111010122103 - 2⁶ = 202111010122039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111010122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618740300 + ... + 619066862.

It is an arithmetic number, because the mean of its divisors is an integer number (13388030500446).

Almost surely, 2^{202111010122103} is an apocalyptic number.

202111010122103 is a deficient number, since it is larger than the sum of its proper divisors (12097477885033).

202111010122103 is a wasteful number, since it uses less digits than its factorization.

202111010122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361954.

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

Adding to 202111010122103 its reverse (301221010111202), we get a palindrome (503332020233305).

The spelling of 202111010122103 in words is "two hundred two trillion, one hundred eleven billion, ten million, one hundred twenty-two thousand, one hundred three".