200221101011011 has 2 divisors, whose sum is σ = 200221101011012. Its totient is φ = 200221101011010.

The previous prime is 200221101011003. The next prime is 200221101011021. The reversal of 200221101011011 is 110110101122002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200221101011011 - 2³ = 200221101011003 is a prime.

It is a super-2 number, since 2×200221101011011² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200221101010982 and 200221101011000.

It is not a weakly prime, because it can be changed into another prime (200221101011021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110550505505 + 100110550505506.

It is an arithmetic number, because the mean of its divisors is an integer number (100110550505506).

Almost surely, 2^{200221101011011} is an apocalyptic number.

200221101011011 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221101011011 is an equidigital number, since it uses as much as digits as its factorization.

200221101011011 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 200221101011011 its reverse (110110101122002), we get a palindrome (310331202133013).

The spelling of 200221101011011 in words is "two hundred trillion, two hundred twenty-one billion, one hundred one million, eleven thousand, eleven".