200101121011223 has 4 divisors (see below), whose sum is σ = 200138128806720. Its totient is φ = 200064113215728.

The previous prime is 200101121011139. The next prime is 200101121011241. The reversal of 200101121011223 is 322110121101002.

It is a happy number.

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 200101121011223 - 2¹² = 200101121007127 is a prime.

It is a super-2 number, since 2×200101121011223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101121011273) 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 3 ways as a sum of consecutive naturals, for example, 18503889638 + ... + 18503900451.

It is an arithmetic number, because the mean of its divisors is an integer number (50034532201680).

Almost surely, 2^{200101121011223} is an apocalyptic number.

200101121011223 is a deficient number, since it is larger than the sum of its proper divisors (37007795497).

200101121011223 is an equidigital number, since it uses as much as digits as its factorization.

200101121011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37007795496.

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

Adding to 200101121011223 its reverse (322110121101002), we get a palindrome (522211242112225).

The spelling of 200101121011223 in words is "two hundred trillion, one hundred one billion, one hundred twenty-one million, eleven thousand, two hundred twenty-three".