1011312220211 has 8 divisors (see below), whose sum is σ = 1024277296320. Its totient is φ = 998351235648.

The previous prime is 1011312220201. The next prime is 1011312220229. The reversal of 1011312220211 is 1120222131101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011312220211 - 2³⁰ = 1010238478387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011312220211.

It is not an unprimeable number, because it can be changed into a prime (1011312220201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523826 + ... + 1515591.

It is an arithmetic number, because the mean of its divisors is an integer number (128034662040).

Almost surely, 2^{1011312220211} is an apocalyptic number.

1011312220211 is a deficient number, since it is larger than the sum of its proper divisors (12965076109).

1011312220211 is an equidigital number, since it uses as much as digits as its factorization.

1011312220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045773.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1011312220211 its reverse (1120222131101), we get a palindrome (2131534351312).

The spelling of 1011312220211 in words is "one trillion, eleven billion, three hundred twelve million, two hundred twenty thousand, two hundred eleven".