200011022021101 has 4 divisors (see below), whose sum is σ = 200012623399900. Its totient is φ = 200009420642304.

The previous prime is 200011022021053. The next prime is 200011022021141. The reversal of 200011022021101 is 101120220110002.

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 100097023522500 + 99913998498601 = 10004850^2 + 9995699^2 .

It is a cyclic number.

It is not a de Polignac number, because 200011022021101 - 2⁷ = 200011022020973 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 (200011022021141) 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, 800502036 + ... + 800751853.

It is an arithmetic number, because the mean of its divisors is an integer number (50003155849975).

Almost surely, 2^{200011022021101} is an apocalyptic number.

It is an amenable number.

200011022021101 is a deficient number, since it is larger than the sum of its proper divisors (1601378799).

200011022021101 is a wasteful number, since it uses less digits than its factorization.

200011022021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601378798.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200011022021101 its reverse (101120220110002), we get a palindrome (301131242131103).

The spelling of 200011022021101 in words is "two hundred trillion, eleven billion, twenty-two million, twenty-one thousand, one hundred one".