200020122020101 has 4 divisors (see below), whose sum is σ = 203794086586572. Its totient is φ = 196246157453632.

The previous prime is 200020122020003. The next prime is 200020122020107. The reversal of 200020122020101 is 101020221020002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62913609876100 + 137106512144001 = 7931810^2 + 11709249^2 .

It is a cyclic number.

It is not a de Polignac number, because 200020122020101 - 2⁴³ = 191224028997893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020122020107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1886982283156 + ... + 1886982283261.

It is an arithmetic number, because the mean of its divisors is an integer number (50948521646643).

Almost surely, 2^{200020122020101} is an apocalyptic number.

It is an amenable number.

200020122020101 is a deficient number, since it is larger than the sum of its proper divisors (3773964566471).

200020122020101 is an equidigital number, since it uses as much as digits as its factorization.

200020122020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773964566470.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200020122020101 its reverse (101020221020002), we get a palindrome (301040343040103).

The spelling of 200020122020101 in words is "two hundred trillion, twenty billion, one hundred twenty-two million, twenty thousand, one hundred one".