200021211101011 has 2 divisors, whose sum is σ = 200021211101012. Its totient is φ = 200021211101010.

The previous prime is 200021211100967. The next prime is 200021211101113. The reversal of 200021211101011 is 110101112120002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200021211101011 - 2²³ = 200021202712403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200021211100982 and 200021211101000.

It is not a weakly prime, because it can be changed into another prime (200021211201011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100010605550505 + 100010605550506.

It is an arithmetic number, because the mean of its divisors is an integer number (100010605550506).

Almost surely, 2^{200021211101011} is an apocalyptic number.

200021211101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

200021211101011 is an equidigital number, since it uses as much as digits as its factorization.

200021211101011 is an evil number, because the sum of its binary digits is even.

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

Adding to 200021211101011 its reverse (110101112120002), we get a palindrome (310122323221013).

The spelling of 200021211101011 in words is "two hundred trillion, twenty-one billion, two hundred eleven million, one hundred one thousand, eleven".