200111021021101 has 4 divisors (see below), whose sum is σ = 211882257551772. Its totient is φ = 188339784490432.

The previous prime is 200111021021099. The next prime is 200111021021117. The reversal of 200111021021101 is 101120120111002.

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 143561733975625 + 56549287045476 = 11981725^2 + 7519926^2 .

It is a cyclic number.

It is not a de Polignac number, because 200111021021101 - 2¹ = 200111021021099 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 (200111021027101) 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, 5885618265310 + ... + 5885618265343.

It is an arithmetic number, because the mean of its divisors is an integer number (52970564387943).

Almost surely, 2^{200111021021101} is an apocalyptic number.

It is an amenable number.

200111021021101 is a deficient number, since it is larger than the sum of its proper divisors (11771236530671).

200111021021101 is a wasteful number, since it uses less digits than its factorization.

200111021021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11771236530670.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 200111021021101 its reverse (101120120111002), we get a palindrome (301231141132103).

The spelling of 200111021021101 in words is "two hundred trillion, one hundred eleven billion, twenty-one million, twenty-one thousand, one hundred one".