200010001122021 has 4 divisors (see below), whose sum is σ = 266680001496032. Its totient is φ = 133340000748012.

The previous prime is 200010001121929. The next prime is 200010001122053. The reversal of 200010001122021 is 120221100010002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 200010001122021 - 2⁷ = 200010001121893 is a prime.

It is a super-2 number, since 2×200010001122021² (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 = 200010001121988 and 200010001122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200010001122091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33335000187001 + ... + 33335000187006.

It is an arithmetic number, because the mean of its divisors is an integer number (66670000374008).

Almost surely, 2^{200010001122021} is an apocalyptic number.

It is an amenable number.

200010001122021 is a deficient number, since it is larger than the sum of its proper divisors (66670000374011).

200010001122021 is an equidigital number, since it uses as much as digits as its factorization.

200010001122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66670000374010.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200010001122021 its reverse (120221100010002), we get a palindrome (320231101132023).

The spelling of 200010001122021 in words is "two hundred trillion, ten billion, one million, one hundred twenty-two thousand, twenty-one".