200220101011811 has 2 divisors, whose sum is σ = 200220101011812. Its totient is φ = 200220101011810.

The previous prime is 200220101011793. The next prime is 200220101011813. The reversal of 200220101011811 is 118110101022002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200220101011811 is a prime.

It is a super-2 number, since 2×200220101011811² (a number of 29 digits) contains 22 as substring.

Together with 200220101011813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200220101011813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110050505905 + 100110050505906.

It is an arithmetic number, because the mean of its divisors is an integer number (100110050505906).

Almost surely, 2^{200220101011811} is an apocalyptic number.

200220101011811 is a deficient number, since it is larger than the sum of its proper divisors (1).

200220101011811 is an equidigital number, since it uses as much as digits as its factorization.

200220101011811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 200220101011811 its reverse (118110101022002), we get a palindrome (318330202033813).

The spelling of 200220101011811 in words is "two hundred trillion, two hundred twenty billion, one hundred one million, eleven thousand, eight hundred eleven".