200101121211021 has 32 divisors (see below), whose sum is σ = 280569574838400. Its totient is φ = 126669628673280.

The previous prime is 200101121211001. The next prime is 200101121211031. The reversal of 200101121211021 is 120112121101002.

It is a happy number.

It is not a de Polignac number, because 200101121211021 - 2³⁰ = 200100047469197 is a prime.

It is a super-2 number, since 2×200101121211021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101121211001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31416690 + ... + 37245276.

It is an arithmetic number, because the mean of its divisors is an integer number (8767799213700).

Almost surely, 2^{200101121211021} is an apocalyptic number.

It is an amenable number.

200101121211021 is a deficient number, since it is larger than the sum of its proper divisors (80468453627379).

200101121211021 is a wasteful number, since it uses less digits than its factorization.

200101121211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835149.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200101121211021 its reverse (120112121101002), we get a palindrome (320213242312023).

The spelling of 200101121211021 in words is "two hundred trillion, one hundred one billion, one hundred twenty-one million, two hundred eleven thousand, twenty-one".