1011220222201 has 16 divisors (see below), whose sum is σ = 1159808606208. Its totient is φ = 863664868800.

The previous prime is 1011220222171. The next prime is 1011220222213. The reversal of 1011220222201 is 1022220221101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1011220222201 - 2⁵ = 1011220222169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011220222261) 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, 14138791 + ... + 14210131.

It is an arithmetic number, because the mean of its divisors is an integer number (72488037888).

Almost surely, 2^{1011220222201} is an apocalyptic number.

It is an amenable number.

1011220222201 is a deficient number, since it is larger than the sum of its proper divisors (148588384007).

1011220222201 is an equidigital number, since it uses as much as digits as its factorization.

1011220222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78552.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1011220222201 its reverse (1022220221101), we get a palindrome (2033440443302).

The spelling of 1011220222201 in words is "one trillion, eleven billion, two hundred twenty million, two hundred twenty-two thousand, two hundred one".