200022101021 has 4 divisors (see below), whose sum is σ = 201069337344. Its totient is φ = 198974864700.

The previous prime is 200022100979. The next prime is 200022101033. The reversal of 200022101021 is 120101220002.

It is a happy number.

200022101021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 200022101021 - 2²⁶ = 199954992157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200022100993 and 200022101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200022101221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523617875 + ... + 523618256.

It is an arithmetic number, because the mean of its divisors is an integer number (50267334336).

Almost surely, 2^200022101021 is an apocalyptic number.

It is an amenable number.

200022101021 is a deficient number, since it is larger than the sum of its proper divisors (1047236323).

200022101021 is a wasteful number, since it uses less digits than its factorization.

200022101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047236322.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200022101021 its reverse (120101220002), we get a palindrome (320123321023).

The spelling of 200022101021 in words is "two hundred billion, twenty-two million, one hundred one thousand, twenty-one".