1011201222011 has 2 divisors, whose sum is σ = 1011201222012. Its totient is φ = 1011201222010.

The previous prime is 1011201222007. The next prime is 1011201222049. The reversal of 1011201222011 is 1102221021101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011201222011 - 2² = 1011201222007 is a prime.

It is a super-2 number, since 2×1011201222011² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011201222001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505600611005 + 505600611006.

It is an arithmetic number, because the mean of its divisors is an integer number (505600611006).

Almost surely, 2^{1011201222011} is an apocalyptic number.

1011201222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011201222011 is an equidigital number, since it uses as much as digits as its factorization.

1011201222011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011201222011 its reverse (1102221021101), we get a palindrome (2113422243112).

The spelling of 1011201222011 in words is "one trillion, eleven billion, two hundred one million, two hundred twenty-two thousand, eleven".