200111201122021 has 8 divisors (see below), whose sum is σ = 228702437947584. Its totient is φ = 171520944891360.

The previous prime is 200111201121973. The next prime is 200111201122043. The reversal of 200111201122021 is 120221102111002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200111201122021 - 2²⁵ = 200111167567589 is a prime.

It is a super-2 number, since 2×200111201122021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200111201121986 and 200111201122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200111201122321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244711375 + ... + 245527756.

It is an arithmetic number, because the mean of its divisors is an integer number (28587804743448).

Almost surely, 2^{200111201122021} is an apocalyptic number.

It is an amenable number.

200111201122021 is a deficient number, since it is larger than the sum of its proper divisors (28591236825563).

200111201122021 is an equidigital number, since it uses as much as digits as its factorization.

200111201122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490297451.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 200111201122021 its reverse (120221102111002), we get a palindrome (320332303233023).

The spelling of 200111201122021 in words is "two hundred trillion, one hundred eleven billion, two hundred one million, one hundred twenty-two thousand, twenty-one".