2211202213061 has 2 divisors, whose sum is σ = 2211202213062. Its totient is φ = 2211202213060.

The previous prime is 2211202212937. The next prime is 2211202213063. The reversal of 2211202213061 is 1603122021122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1813048785025 + 398153428036 = 1346495^2 + 630994^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211202213061 - 2³⁸ = 1936324306117 is a prime.

Together with 2211202213063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211202213063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105601106530 + 1105601106531.

It is an arithmetic number, because the mean of its divisors is an integer number (1105601106531).

Almost surely, 2^{2211202213061} is an apocalyptic number.

It is an amenable number.

2211202213061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211202213061 is an equidigital number, since it uses as much as digits as its factorization.

2211202213061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2211202213061 its reverse (1603122021122), we get a palindrome (3814324234183).

The spelling of 2211202213061 in words is "two trillion, two hundred eleven billion, two hundred two million, two hundred thirteen thousand, sixty-one".