1200222101011 has 2 divisors, whose sum is σ = 1200222101012. Its totient is φ = 1200222101010.

The previous prime is 1200222100991. The next prime is 1200222101027. The reversal of 1200222101011 is 1101012220021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200222101011 - 2²³ = 1200213712403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200222100982 and 1200222101000.

It is not a weakly prime, because it can be changed into another prime (1200202101011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600111050505 + 600111050506.

It is an arithmetic number, because the mean of its divisors is an integer number (600111050506).

Almost surely, 2^{1200222101011} is an apocalyptic number.

1200222101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200222101011 is an equidigital number, since it uses as much as digits as its factorization.

1200222101011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200222101011 its reverse (1101012220021), we get a palindrome (2301234321032).

The spelling of 1200222101011 in words is "one trillion, two hundred billion, two hundred twenty-two million, one hundred one thousand, eleven".