1202222011 has 2 divisors, whose sum is σ = 1202222012. Its totient is φ = 1202222010.

The previous prime is 1202222009. The next prime is 1202222023. The reversal of 1202222011 is 1102222021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1102222021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202222011 - 2¹ = 1202222009 is a prime.

Together with 1202222009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1202221982 and 1202222000.

It is not a weakly prime, because it can be changed into another prime (1202222041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601111005 + 601111006.

It is an arithmetic number, because the mean of its divisors is an integer number (601111006).

Almost surely, 2^1202222011 is an apocalyptic number.

1202222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202222011 is an equidigital number, since it uses as much as digits as its factorization.

1202222011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1202222011 is about 34673.0732846109. The cubic root of 1202222011 is about 1063.3140644912.

Adding to 1202222011 its reverse (1102222021), we get a palindrome (2304444032).

The spelling of 1202222011 in words is "one billion, two hundred two million, two hundred twenty-two thousand, eleven".