200000101110021 has 10 divisors (see below), whose sum is σ = 298765583139782. Its totient is φ = 133333400739960.

The previous prime is 200000101109987. The next prime is 200000101110031. The reversal of 200000101110021 is 120011101000002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 151960106384100 + 48039994725921 = 12327210^2 + 6931089^2 .

It is not a de Polignac number, because 200000101110021 - 2⁶ = 200000101109957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200000101109985 and 200000101110012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200000101110031) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1234568525290 + ... + 1234568525451.

Almost surely, 2^{200000101110021} is an apocalyptic number.

It is an amenable number.

200000101110021 is a deficient number, since it is larger than the sum of its proper divisors (98765482029761).

200000101110021 is an equidigital number, since it uses as much as digits as its factorization.

200000101110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469137050753 (or 2469137050744 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 200000101110021 its reverse (120011101000002), we get a palindrome (320011202110023).

The spelling of 200000101110021 in words is "two hundred trillion, one hundred one million, one hundred ten thousand, twenty-one".