1011222112201 has 16 divisors (see below), whose sum is σ = 1182850099200. Its totient is φ = 846395979408.

The previous prime is 1011222112181. The next prime is 1011222112207. The reversal of 1011222112201 is 1022112221101.

It is not a de Polignac number, because 1011222112201 - 2²³ = 1011213723593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011222112207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815970 + ... + 1639588.

It is an arithmetic number, because the mean of its divisors is an integer number (73928131200).

Almost surely, 2^{1011222112201} is an apocalyptic number.

It is an amenable number.

1011222112201 is a deficient number, since it is larger than the sum of its proper divisors (171627986999).

1011222112201 is an equidigital number, since it uses as much as digits as its factorization.

1011222112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827748.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1011222112201 its reverse (1022112221101), we get a palindrome (2033334333302).

The spelling of 1011222112201 in words is "one trillion, eleven billion, two hundred twenty-two million, one hundred twelve thousand, two hundred one".